Top 100 Galileo Galilei Quotes

#1. It is a beautiful and delightful sight to behold the body of the Moon.

Galileo Galilei

Galileo Galilei Quotes #7200
#2. Being infinitely amazed, so do I give thanks to God, Who has been pleased to make me the first observer of marvelous things, unrevealed to bygone ages.

Galileo Galilei

Galileo Galilei Quotes #27426
#3. I am certainly interested in a tribunal in which, for having used my reason, I was deemed little less than a heretic. Who knows but men will reduce me from the profession of a philosopher to that of historian of the Inquisition!

Galileo Galilei

Galileo Galilei Quotes #46398
#4. I do not feel obliged to believe that the same God who has endowed us with sense, reason, and intellect has intended us to forgo their use.

Galileo Galilei

Galileo Galilei Quotes #47851
#5. It vexes me when they would constrain science by the authority of the Scriptures, and yet do not consider themselves bound to answer reason and experiment.

Galileo Galilei

Galileo Galilei Quotes #59430
#6. I give infinite thanks to God, who has been pleased to make me the first observer of marvelous things.

Galileo Galilei

Galileo Galilei Quotes #72456
#7. Who would dare assert that we know all there is to be known?

Galileo Galilei

Galileo Galilei Quotes #87561
#8. The deeper I go in considering the vanities of popular reasoning, the lighter and more foolish I find them. What greater stupidity can be imagined than that of calling jewels, silver, and gold "precious," and earth and soil "base"?

Galileo Galilei

Galileo Galilei Quotes #180728
#9. For my part I consider the earth very noble and admirable precisely because of the diverse alterations, changes, generations, etc. that occur in it incessantly.

Galileo Galilei

Galileo Galilei Quotes #264370
#10. Mathematics is the key and door to the sciences.

Galileo Galilei

Galileo Galilei Quotes #273831
#11. (T)he increase of known truths stimulates the investigation, establishment, and growth of the arts.

Galileo Galilei

Galileo Galilei Quotes #280455
#12. Vision, I say, is related to light itself. But of this sensation and the things pertaining to it, I pretend to understand but little; and since even a long time would not suffice to explain that trifle, or even to hint at an explanation, I pass over this in silence.

Galileo Galilei

Galileo Galilei Quotes #308465
#13. Measure what can be measured, and make measurable what cannot be measured.

Galileo Galilei

Galileo Galilei Quotes #341967
#14. You cannot teach a person something he does not already know, you can only bring what he does know to his awareness.

Galileo Galilei

Galileo Galilei Quotes #345358
#15. Facts which at first seem improbable will, even on scant explanation, drop the cloak which has hidden them and stand forth in naked and simple beauty.

Galileo Galilei

Galileo Galilei Quotes #361245
#16. To understand the Universe, you must understand the language in which it's written, the language of Mathematics.

Galileo Galilei

Galileo Galilei Quotes #363597
#17. See now the power of truth.

Galileo Galilei

Galileo Galilei Quotes #370170
#18. All truths are easy to understand once they are discovered; the point is to discover them.

Galileo Galilei

Galileo Galilei Quotes #383733
#19. When the moon is ninety degrees away from the sun it sees but half the earth illuminated (the western half). For the other (the eastern half) is enveloped in night. Hence the moon itself is illuminated less brightly from the earth, and as a result its secondary light appears fainter to us.

Galileo Galilei

Galileo Galilei Quotes #414426
#20. Showing a greater fondness for their own opinions than for truth, they sought to deny and disprove the new things which, if they had cared to look for themselves, their own senses would have demonstrated to them.

Galileo Galilei

Galileo Galilei Quotes #420363
#21. I do not think it is necessary to believe that the same God who has given us our senses, reason, and intelligence wished us to abandon their use, giving us by some other means the information that we could gain through them.

Galileo Galilei

Galileo Galilei Quotes #428698
#22. To excite in us tastes, odors, and sounds I believe that nothing is required in external bodies except shapes, numbers, and slow or rapid movements ... if ears, tongues, and noses were removed, shapes and numbers and motions would remain, but not odors or tastes or sounds.

Galileo Galilei

Galileo Galilei Quotes #442589
#23. I am inclined to think that the authority of Holy Scripture is intended to convince men of those truths which are necessary for their salvation, which, being far above man's understanding, can not be made credible by any learning, or any other means than revelation by the Holy Spirit.

Galileo Galilei

Galileo Galilei Quotes #484054
#24. If I were again beginning my studies, I would follow the advice of Plato and start with mathematics.

Galileo Galilei

Galileo Galilei Quotes #484381
#25. Nature ... is inexorable and immutable; she never transgresses the laws imposed upon her, nor cares a whit whether her abstruse reasons and methods of operations are understandable to men.

Galileo Galilei

Galileo Galilei Quotes #521920
#26. We cannot teach people anything; we can only help them discover it within themselves.

Galileo Galilei

Galileo Galilei Quotes #540279
#27. The doctrine that the earth is neither the center of the universe nor immovable, but moves even with a daily rotation, is absurd, and both philosophically and theologically false, and at the least an error of faith.

Galileo Galilei

Galileo Galilei Quotes #543504
#28. [Copernicus] did not ignore the Bible, but he knew very well that if his doctrine were proved, then it could not contradict the Scriptures when they were rightly understood.

Galileo Galilei

Galileo Galilei Quotes #556498
#29. The sun, with all those planets revolving around it and dependent on it, can still ripen a bunch of grapes as if it had nothing else in the universe to do.

Galileo Galilei

Galileo Galilei Quotes #559476
#30. Nothing physical which sense-experience sets before our eyes, or which necessary demonstrations prove to us, ought to be called into question (much less condemned) upon the testimony of biblical passages.

Galileo Galilei

Galileo Galilei Quotes #576293
#31. That sculpture is more admirable than painting for the reason that it contains relief and painting does not is completely false ... Rather, how much more admirable the painting must be considered, if having no relief at all, it appears to have as much as sculpture!

Galileo Galilei

Galileo Galilei Quotes #581214
#32. Spots are on the surface of the solar body where they are produced and also dissolved, some in shorter and others in longer periods. They are carried around the Sun; an important occurrence in itself.

Galileo Galilei

Galileo Galilei Quotes #659814
#33. And yet it moves.

Galileo Galilei

Galileo Galilei Quotes #703873
#34. Names and attributes must be accommodated to the essence of things, and not the essence to the names, since things come first and names afterwards.

Galileo Galilei

Galileo Galilei Quotes #710551
#35. I, Galileo, son of the late Vicenzo Galilei, swear that I never said that the prime numbers are useless. What I said was that you cannot count lunar craters by counting 2, 3, 5, 7 ...

Galileo Galilei

Galileo Galilei Quotes #715911
#36. I think that in the discussion of natural problems we ought to begin not with the Scriptures, but with experiments, and demonstrations.

Galileo Galilei

Galileo Galilei Quotes #772464
#37. To command their professors of astronomy to refute their own observations is to command them not to see what they do see and not to understand what they do understand.

Galileo Galilei

Galileo Galilei Quotes #789661
#38. Nothing can be taught to a man, only it's possibly to help him to discover it inside.

Galileo Galilei

Galileo Galilei Quotes #794771
#39. Passion is the genesis of genius.

Galileo Galilei

Galileo Galilei Quotes #796727
#40. Among the great men who have philosophized about [the action of the tides], the one who surprised me most is Kepler. He was a person of independent genius, [but he] became interested in the action of the moon on the water, and in other occult phenomena, and similar childishness.

Galileo Galilei

Galileo Galilei Quotes #855780
#41. In the sciences, the authority of thousands of opinions is not worth as much as one tiny spark of reason in an individual man.

Galileo Galilei

Galileo Galilei Quotes #870989
#42. To apply oneself to great inventions, starting from the smallest beginnings, is no task for ordinary minds; to divine that wonderful arts lie hid behind trivial and childish things is a conception for superhuman talents.

Galileo Galilei

Galileo Galilei Quotes #893957
#43. Some, merely to contradict what I had said, did not scruple to cast doubt upon things they had seen with their own eyes again and again.

Galileo Galilei

Galileo Galilei Quotes #913095
#44. In time you may discover everything that can be discovered, and still your progress will only be progress away from humanity. The distance between you and them can one day become so great that your joyous cry over some new gain could be answered by an universal shriek of horror.

Galileo Galilei

Galileo Galilei Quotes #913232
#45. I truly believe the book of philosophy to be that which stands perpetually open before our eyes, though since it is written in characters different from those of our alphabet it cannot be read by everyone.

Galileo Galilei

Galileo Galilei Quotes #921462
#46. Nature's great book is written in mathematics.

Galileo Galilei

Galileo Galilei Quotes #937575
#47. It reveals to me the causes of many natural phenomena that are entirely incomprehensible in the light of the generally accepted hypotheses. To refute the latter I collected many proofs, but I do not publish them ... I would dare to publish my speculations if there were people men like you.

Galileo Galilei

Galileo Galilei Quotes #946025
#48. The hypothesis is pretty; its only fault is that it is neither demonstrated nor demonstrable. Who does not see that this is purely arbitrary fiction that puts nothingness as existing and proposes nothing more than simple noncontradiciton?

Galileo Galilei

Galileo Galilei Quotes #965719
#49. Nature is written in mathematical language.

Galileo Galilei

Galileo Galilei Quotes #977096
#50. You cannot teach a man anything, you can only help him find it within himself.

Galileo Galilei

Galileo Galilei Quotes #983727
#51. You can't teach anybody anything, only make them realize the answers are already inside them.

Galileo Galilei

Galileo Galilei Quotes #1026911
#52. God is known by nature in his works, and by doctrine in his revealed word.

Galileo Galilei

Galileo Galilei Quotes #1059284
#53. It is surely harmful to souls to make it a heresy to believe what is proved.

Galileo Galilei

Galileo Galilei Quotes #1086438
#54. E pur si muove.
(Albeit It does move.)
[What Galileo purportedly muttered after torturers forced him to recant his theory that the earth orbits the sun.]

Galileo Galilei

Galileo Galilei Quotes #1101351
#55. The Divine intellect indeed knows infinitely more propositions [than we can ever know]. But with regard to those few which the human intellect does understand, I believe that its knowledge equals the Divine in objective certainty.

Galileo Galilei

Galileo Galilei Quotes #1166282
#56. I therefore concluded, and decided unhesitatingly, that there are three stars in the heavens moving about Jupiter, as Venus and Mercury about the Sun; which at length was established as clear as daylight by numerous other observations. Referring to his pioneering telescope observations.

Galileo Galilei

Galileo Galilei Quotes #1205941
#57. They seemed to forget that the increase of known truths stimulates the investigation, establishment and growth of the arts; not their dimination or destruction.

Galileo Galilei

Galileo Galilei Quotes #1206777
#58. With regard to matters requiring thought: the less people know and understand about them, the more positively they attempt to argue concerning them.

Galileo Galilei

Galileo Galilei Quotes #1220845
#59. Mathematics is the language in which God has written the universe

Galileo Galilei

Galileo Galilei Quotes #1221136
#60. The greatness and the glory of God shine forth marvelously in all His works, and is to be read above all in the open book of the heavens.

Galileo Galilei

Galileo Galilei Quotes #1222447
#61. Holy Scripture could never lie or err ... its decrees are of absolute and inviolable truth.

Galileo Galilei

Galileo Galilei Quotes #1254023
#62. It is very pious to say and prudent to affirm that the holy Bible can never speak untruth
whenever its true meaning is understood. But I believe nobody will deny that it is often very abstruse, and may say things which are quite different from wha.

Galileo Galilei

Galileo Galilei Quotes #1258314
#63. The laws of nature are written by the hand of God in the language of mathematics.

Galileo Galilei

Galileo Galilei Quotes #1267637
#64. To me, a great ineptitude exists on the part of those who would have it that God made the universe more in proportion to the small capacity of their reason than to His immense, His infinite, power.

Galileo Galilei

Galileo Galilei Quotes #1269741
#65. The greatest wisdom is to get to know oneself.

Galileo Galilei

Galileo Galilei Quotes #1324278
#66. Their vain presumption of knowing all can take beginning solely from their never having known anything; for if one has but once experienced the perfect knowledge of one thing, and truly tasted what it is to know, he shall perceive that of infinite other conclusions he understands not so much as one.

Galileo Galilei

Galileo Galilei Quotes #1357164
#67. They who depend upon manifest observations will philosophize better than those who persist in opinions repugnant to the senses.

Galileo Galilei

Galileo Galilei Quotes #1407978
#68. We must say that there are as many squares as there are numbers.

Galileo Galilei

Galileo Galilei Quotes #1417142
#69. Surely it is a great thing to increase the numerous host of fixed stars previously visible to the unaided vision, adding countless more which have never before been seen, exposing these plainly to the eye in numbers ten times exceeding the old and familiar stars.

Galileo Galilei

Galileo Galilei Quotes #1451131
#70. What has philosophy got to do with measuring anything? It's the mathematicians you have to trust, and they measure the skies like we measure a field.

Galileo Galilei

Galileo Galilei Quotes #1451771
#71. Who indeed will set bounds to human ingenuity? Who will assert that everything in the universe capable of being perceived is already discovered and known?

Galileo Galilei

Galileo Galilei Quotes #1452742
#72. In the future, there will be opened a gateway and a road to a large and excellent science into which minds more piercing than mine shall penetrate to recesses still deeper.

Galileo Galilei

Galileo Galilei Quotes #1463255
#73. The earth, in fair and grateful exchange, pays back to the moon an illumination similar to that which it receives from her throughout nearly all the darkest gloom of the night.

Galileo Galilei

Galileo Galilei Quotes #1464629
#74. If you could see the earth illuminated when you were in a place as dark as night, it would look to you more splendid than the moon.

Galileo Galilei

Galileo Galilei Quotes #1499959
#75. By denying scientific principles, one may maintain any paradox.

Galileo Galilei

Galileo Galilei Quotes #1513471
#76. Infinities and indivisibles transcend our finite understanding, the former on account of their magnitude, the latter because of their smallness; Imagine what they are when combined.

Galileo Galilei

Galileo Galilei Quotes #1520531
#77. Where the senses fail us, reason must step in.

Galileo Galilei

Galileo Galilei Quotes #1538026
#78. Knowing thyself, that is the greatest wisdom.

Galileo Galilei

Galileo Galilei Quotes #1554593
#79. It is necessary for the Bible, in order to be accommodated to the understanding of every man, to speak many things which appear to differ from the absolute truth so far as the bare meaning of the words is concerned.

Galileo Galilei

Galileo Galilei Quotes #1555534
#80. The Bible shows the way to go to heaven, not the way the heavens go.

Galileo Galilei

Galileo Galilei Quotes #1556856
#81. It was granted to me alone to discover all the new phenomena in the sky and nothing to anybody else. This is the truth which neither envy nor malice can supress.

Galileo Galilei

Galileo Galilei Quotes #1573188
#82. The Milky Way is nothing else but a mass of innumerable stars planted together in clusters.

Galileo Galilei

Galileo Galilei Quotes #1590272
#83. Nothing occurs contrary to nature except the impossible, and that never occurs.

Galileo Galilei

Galileo Galilei Quotes #1602202
#84. Philosophy itself cannot but benefit from our disputes, for if our conceptions prove true, new achievements will be made; if false, their refutation will further confirm the original doctrines.

Galileo Galilei

Galileo Galilei Quotes #1617932
#85. I believe that the intention of Holy Writ was to persuade men of the truths necessary to salvation; such as neither science nor other means could render credible, but only the voice of the Holy Spirit.

Galileo Galilei

Galileo Galilei Quotes #1624785
#86. I do not know what to say in a case so surprising, so unlooked for and so novel.

Galileo Galilei

Galileo Galilei Quotes #1671399
#87. But some, besides allegiance to their original error, possess I know not what fanciful interest in remaining hostile not so much toward the things in question as toward their discoverer.

Galileo Galilei

Galileo Galilei Quotes #1677500
#88. The book of nature is written in the language of mathematics.

Galileo Galilei

Galileo Galilei Quotes #1701885
#89. But, because my private lectures and domestic pupils are a great hinderance and intteruption of my studies, I wish to live entirely exempt from the former, and in great measure from the latter ... in short, I should wish to gain my bread from my writings.

Galileo Galilei

Galileo Galilei Quotes #1716300
#90. Wine is sunlight, held together by water.

Galileo Galilei

Galileo Galilei Quotes #1735945
#91. If experiments are performed thousands of times at all seasons and in every place without once producing the effects mentioned by your philosophers, poets, and historians, this will mean nothing and we must believe their words rather than our own eyes?

Galileo Galilei

Galileo Galilei Quotes #1754987
#92. Science proceeds more by what it has learned to ignore than what it takes into account.

Galileo Galilei

Galileo Galilei Quotes #1765619
#93. There are those who reason well, but they are greatly outnumbered by those who reason badly.

Galileo Galilei

Galileo Galilei Quotes #1774150
#94. I have never met a man so ignorant that I couldn't learn something from him.

Galileo Galilei

Galileo Galilei Quotes #1774645
#95. Nature is relentless and unchangeable, and it is indifferent as to whether its hidden reasons and actions are understandable to man or not.

Galileo Galilei

Galileo Galilei Quotes #1782258
#96. In my studies of astronomy and philosophy I hold this opinion about the universe, that the Sun remains fixed in the centre of the circle of heavenly bodies, without changing its place; and the Earth, turning upon itself, moves round the Sun.

Galileo Galilei

Galileo Galilei Quotes #1788537
#97. One can understand nature only when one has learned the language and the signs in which it speaks to us; but this language is mathematics and these signs are methematical figures.

Galileo Galilei

Galileo Galilei Quotes #1829076
#98. My dear Kepler, what would you say of the learned here, who, replete with the pertinacity of the asp, have steadfastly refused to cast a glance through the telescope? What shall we make of this? Shall we laugh, or shall we cry?

Galileo Galilei

Galileo Galilei Quotes #1837528
#99. I abjure with a sincere heart and unfeigned faith, I curse and detest the said errors and heresies, and generally all and every error and sect contrary to the Holy Catholic Church.

Galileo Galilei

Galileo Galilei Quotes #1837665
#100. The surface of the Moon is not smooth, uniform, and precisely spherical as a great number of philosophers believe it to be, but is uneven, rough, and full of cavities and prominences, being not unlike the face of the Earth, relieved by chains of mountains and deep valleys.

Galileo Galilei

Galileo Galilei Quotes #1873688

Famous Authors

Popular Topics

Scroll to Top