... 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.

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

Controlling complexity is the essence of computer programming.

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.

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

Believe the terrain, not the map