The hardest part of design ... is keeping features out. -- Donald Norman

The important thing is not to stop questioning. -- Albert Einstein

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

The direct pursuit of happiness is a recipe for an unhappy life. -- Donald Campbell

In general, we can think of data as defined by some collection of selectors and constructors, together with specified conditions that these procedures must fulfill in order to be a valid representation. -- SICP, What is meant by data?

Life moves pretty fast. If you don't stop and look around once in a while, you could miss it. -- Ferris Bueller

I’ve learned that people will forget what you said, people will forget what you did, but people will never forget how you made them feel. –Maya Angelou

Do one thing every day that scares you. ~Anonymous

You can’t connect the dots looking forward; you can only connect them looking backwards. So you have to trust that the dots will somehow connect in your future. You have to trust in something - your gut, destiny, life, karma, whatever. This approach has never let me down, and it has made all the difference in my life. ~Steve Jobs

I have been impressed with the urgency of doing. Knowing is not enough; we must apply. Being willing is not enough; we must do. –Leonardo da Vinci