Mechanical rules are never a substitute for clarity of thought.

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.

Believe the terrain, not the map

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

Whenever you are asked if you can do a job, tell 'em, 'Certainly I can!' Then get busy and find out how to do it.

You don't have to be a scared person. I've had so many tragedies. I've managed to withstand things that you may think you cannot tolerate. But I have the strength.

He is no lawyer who cannot take two sides.

I wanted to define the vocabulary of a wedding both visually and intellectually. The book is about more than weddings or wedding dresses. It's a metaphor for women's lives, their creativity.

A sinner can no more repent and believe without the Holy Spirit's aid than he can create a world.

Want to raise children who will be happy adults? Teach them not to whine.

Mediocrity is not allowed to poets, either by the gods or men.

It is not hard for any man who hath a Bible in his hand to borrow good words and holy sayings in abundance; but to make them his own is a work of grace only from above.

Our job is obvious: we need to get out of the way, shine a light, and empower a new generation to teach itself and to go further and faster than any generation ever has.

I am no longer Tris, the selfless, or Tris, the brave. I suppose that now, I must become more than either.