Experience does by no means automatically leads to wisdom and understanding.

The effective exploitation of his powers of abstraction must be regarded as one of the most vital activities of a competent programmer.

FORTRAN, the infantile disorder, by now nearly 20 years old, is hopelessly inadequate for whatever computer application you have in mind today: it is now too clumsy, too risky, and too expensive to use.

Elegance is not a dispensable luxury but a factor that decides between success and failure.

Programming in Basic causes brain damage.

In passing I draw attention to another English expression which often occurs in Dutch texts: "the real world". In Dutch - and I am afraid not in Dutch alone - its usage is almost always a symptom of a violent anti-intellectualism.

In their capacity as a tool, computers will be but a ripple on the surface of our culture. In their capacity as intellectual challenge, they are without precedent in the cultural history of mankind.