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

Simplicity and elegance are unpopular because they require hard work and discipline to achieve and education to be appreciated.

Thanks to the greatly improved possibility of communication, we overrate its importance. Even stronger, we underrate the importance of isolation.

It used to be the program's purpose to instruct our computers; it became the computer's purpose to execute our programs.

Please don't fall into the trap of believing that I am terribly dogmatical about the go to statement. I have the uncomfortable feeling that others are making a religion out of it, as if the conceptual problems of programming could be solved by a single trick, by a simple form of coding discipline!

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

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.