About the use of language: it is impossible to sharpen a pencil with a blunt axe. It is equally vain to try to do it with ten blunt axes instead.

Besides a mathematical inclination, an exceptionally good mastery of one's native tongue is the most vital asset of a competent programmer.

The question of whether computers can think is like the question of whether submarines can swim.

The prisoner falls in love with his chains.

The computing scientist's main challenge is not to get confused by the complexities of his own making.

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.