Optimization hinders evolution. Everything should be built top-down, except the first time. Simplicity does not precede complexity, but follows it.

Adapting old programs to fit new machines usually means adapting new machines to behave like old ones.

When someone says, "I want a programming language in which I need only say what I want done," give him a lollipop.

When a professor insists computer science is X but not Y, have compassion for his graduate students.

Computer Science is embarrassed by the computer.

Because of its vitality, the computing field is always in desperate need of new cliches: Banality soothes our nerves.

Fools ignore complexity. Pragmatists suffer it. Some can avoid it. Geniuses remove it.