Believe the terrain, not the map

Debugging is twice as hard as writing the code in the first place. Therefore, if you write the code as cleverly as possible, you are, by definition, not smart enough to debug it.

Do what you think is interesting, do something that you think is fun and worthwhile, because otherwise you won't do it well anyway.

Controlling complexity is the essence of computer programming.

The most effective debugging tool is still careful thought, coupled with judiciously placed print statements.

90% of the functionality delivered now is better than 100% delivered never.

C is a razor-sharp tool, with which one can create an elegant and efficient program or a bloody mess.

Don't document bad code - rewrite it.

... it is a fundamental principle of testing that you must know in advance the answer each test case is supposed to produce. If you don't, you are not testing; you are experimenting.

Each new user of a new system uncovers a new class of bugs.

If you had done something twice, you are likely to do it again.

To be honorable, you have to make sacrifices for others.

We grow old not by the number of our years, but by not numbering our years - not living our dreams, not enjoying the everyday life

The cloth cap on my headdoesn't tellwhat's in it.

It's so sad: anything that has to do with God, people want to dispel.

Why not touch things that we hate and turn them upside down and inside out?

When you locate a bargain, you must ask, 'Why me, God? Why am I the only one who could find this bargain?'

I never really wore Gucci. I never did.

But if you consider all the unlikely things together, at least one of them will probably happen to each of us.

Everything's immediately diminished. That's why there's no real rock stars anymore. People are too accessible.

Let's put the safety and security of the American people first.