Either way, you lose

Confusing "love of perfection" with "claim of perfection", people will accuse you of the latter and then blame you for the first.
-- E.W. Dijkstra, "EWD 709: My hopes of computing science," April 1979.

Beautiful Mistakes

"…But you need to make mistakes. Making mistakes is a beautiful thing."
-- Patrizia Moroso, "The Moroso method", Wallpaper*, Oct 2005
(Taken from my old Kosa.Kata blog at Wordpress.com)

The path to learning

"In my job, it's important not to be arrogant, not to be afraid to ask questions and say you don't know. How else can you learn?"
-- Keith Floyd. "A dash of Floyd," The Sunday Star, 22 April 2007.

Learn to know

I learned very early the difference between knowing the name of something and knowing something.
-- Richard Feynman
(Does anyone know where he mentioned this?)