Sandi Metz Quotes

#1. Persist. Practice. Experiment. Imagine. Do your best work, and all else will follow.

Sandi Metz

#2. Agile processes guarantee change and your ability to make these changes depends on your application's design.

Sandi Metz

#3. Novice programmers don't yet have the skills to write simple code.

Sandi Metz

#4. You don't send messages because you have objects, you have objects because you send messages.

Sandi Metz

#5. The general rule for refactoring into a new inheritance hierarchy is to arrange code so that you can promote abstractions rather than demote concretions.

Sandi Metz

#6. The problem is not one of technical knowledge but of organization; you know how to write the code but not

Sandi Metz

#7. depend on things that change less often than you do.

Sandi Metz

#8. If lack of a feature will force you out of business today it doesn't matter how much it will cost to deal with the code tomorrow; you

Sandi Metz

#9. Successful (working) but undesigned applications carry the seeds of their own destruction; they are easy to write, but gradually become impossible to change.

Sandi Metz

#10. Your application needs to work right now just once; it must be easy to change forever.

Sandi Metz

#11. Instead of deciding on a class and then figuring out its responsibilities, you are now deciding on a message and figuring out where to send it. This transition from class-based design to message-based design is a turning point in your design career.

Sandi Metz

#12. When the future cost of doing nothing is the same as the current cost, postpone the decision. Make the decision only when you must with the information you have at that time.

Sandi Metz

#13. Designs that anticipate specific future requirements almost always end badly.

Sandi Metz

#14. The first way design fails is due to lack of it.

Sandi Metz

#15. A dependency on a private method of an external framework is a form of technical debt. Avoid these dependencies.

Sandi Metz

#16. Conveying information that a method is stable or unstable is one thing; attempting to control how others use it is quite another.

Sandi Metz

#17. Every dependency is like a little dot of glue that causes your class to stick to the things it touches.

Sandi Metz