Act from reason, and failure makes you rethink and study harder. Act from faith, and failure makes you blame someone and push harder. -- Erik Naggum

I think it is wise, and only honest, to warn you that my goal is immodest. It is not my purpose to "transfer knowledge" to you that, subsequently, you can forget again. My purpose is no less than to effectuate in each of you a noticeable, irreversable change. I want you to gain, for the rest of your lives, the insight that beautiful proofs are not "found" by trial anf error but are the result of a consciously applied design discipline. I want you to raise your quality standards. I mean, if 10 years from now, when you are doing something quick and dirty, you suddenly visualize that I am looking over your shoulders and say to yourself "Dijkstra would not have liked this", well, that would be enough immortality for me. -- E. W. Dijkstra

If debugging is the process of removing bugs, then programming must be the process of putting them in. -- Edsger W. Dijkstra

Good programmers use their brains, but good guidelines save us having to think out every case. -- Francis Glassborow

Software is like sex: It’s better when it’s free. -- Linus Torvalds

La tactique, c'est ce que vous faites quand il y a quelque chose à faire; la stratégie, c'est ce que vous faites quand il n'y a rien à faire. -- Xavier Tartacover

Fall seven times and stand up eight. –Japanese Proverb

We must believe that we are gifted for something, and that this thing, at whatever cost, must be attained. –Marie Curie

Start where you are. Use what you have. Do what you can. –Arthur Ashe

Teach thy tongue to say, I do not know, and thous shalt progress. –Maimonides