A picture is worth 10K words - but only those to describe the picture. Hardly any sets of 10K words can be adequately described with pictures.

If a listener nods his head when you're explaining your program, wake him up.

One can only display complex information in the mind. Like seeing, movement or flow or alteration of view is more important than the static picture, no matter how lovely.

Adapting old programs to fit new machines usually means adapting new machines to behave like old ones.

Don't have good ideas if you aren't willing to be responsible for them.

When someone says, "I want a programming language in which I need only say what I want done," give him a lollipop.

There are two ways to write error-free programs; only the third one works.