Top 3 John Playfair Quotes
#1. It were unwise to be sanguine,
and unphilosophical to despair.
#2. To trace the series of these revolutions, to explain their causes, and thus to connect together all the indications of change that are found in the mineral kingdom, is the proper object of a THEORY OF THE EARTH.
#3. The mind seemed to grow giddy by looking so far into the abyss of time.