I mean, source code in files; how quaint, how seventies!

I'm not a great programmer; I'm just a good programmer with great habits.

A plan is an example of what could happen, not a prediction of what will happen.

Optimism is an occupational hazard of programming; feedback is the treatment.

I don't like the feeling, but I've got to say that a little fear makes me a more focused, more responsible programmer.

Testing is not the point. The point is about responsibility.

Listening, Testing, Coding, Designing. That's all there is to software. Anyone who tells you different is selling something.

Make it work, make it right, make it fast.

I've known people who have not mastered their tools who are good programmers, but not a tool master who remained a mediocre programmer.

Sometimes the problem has to mature before the solution can mature.

I tell people to start implementing when they are pretty sure there aren't more important stories out there. An iteration's worth of data is worth months of speculation.

Never be bullied into silence. Never allow yourself to be made a victim. Accept no one's definition of your life, but define yourself.

If I left any good or planted any flowers among thorns, the credit goes to God and my many substantial friends.

For me, insanity is super sanity. The normal is psychotic. Normal means lack of imagination, lack of creativity.

The eyes of the world are fixed on the U.S. to see if we have the political courage and moral sense to solve our debt crisis.

Memory all to easily accommodates the corruption of regret.

If both the past and the external world exist only in the mind, and if the mind itself is controllable - what then?

You know, I'm going to start thanking the woman who cleans the restroom in the building I work in. I'm going to start thinking of her as a human being.

I must read. I must read. I must read.

As a matter of fact I had a terribly traumatic childhood. But afterward I sort of reraised myself.

A thing is obvious mathematically after you see it.