An effective way to test code is to exercise it at its natural boundaries

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.

Constantinople had been changing for sometime before the Young Turks got hold of it. It would continue to change long after they had gone.

The first requisite of a good citizen in this republic of ours is that he shall be able and willing to pull his own weight.

God, as I use the word, is another name for what is. I always know God's intention: It's exactly what is in every moment.

An individual deficient in the sense of humor represents more of a challenge to our idea of the human than a person of subnormal intelligence

& this girl right here? Who knows what she knows? So I'm going through her phone when she go to the bathroom and her purse right there, I don't trust these hoes at all.

While I fear that we're drawn to what abandons us, and to what seems most likely to abandon us, in the end I believe we're defined by what embraces us.

It feels like guitarists are samurais. You know, I'm playing a guitar, instead of a katana!

An ordinary fool isn't a faker; an honest fool is all right. But a dishonest fool is terrible!

I adore all Agatha Christie's books and turn to them whenever I'm ill or need cheering up.

In peace there's nothing so becomes a man as modest stillness and humility.