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

Computer science has as much to do with computers as astronomy has to do with telescopes.

How do we convince people that in programming simplicity and clarity - in short: what mathematicians call elegance - are not a dispensable luxury, but a crucial matter that decides between success and failure?

Raise your quality standards as high as you can live with, avoid wasting your time on routine problems, and always try to work as closely as possible at the boundary of your abilities. Do this, because it is the only way of discovering how that boundary should be moved forward.

Mentally mutilated potential programmers beyond hope of regeneration.

The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

If debugging is the process of removing software bugs, then programming must be the process of putting them in.