There is very little point in trying to urge the world to mend its ways as long as that world is still convinced that its ways are perfectly adequate.

In the software business there are many enterprises for which it is not clear that science can help them; that science should try is not clear either.

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

Why has elegance found so little following? That is the reality of it. Elegance has the disadvantage, if that's what it is, that hard work is needed to achieve it and a good education to appreciate it.

The tools we use have a profound and devious influence on our thinking habits, and therefore on our thinking abilities.

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

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