Science alone of all the subjects contains within itself the lesson of the danger of belief in the infallibility of the greatest teachers of the preceding generation.

There's plenty of room at the bottom.

For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.

I'm smart enough to know that I'm dumb.

The first principle is that you must not fool yourself and you are the easiest person to fool.

Some people think Wheeler's gotten crazy in his later years, but he's always been crazy.

If I could explain it to the average person, I wouldn't have been worth the Nobel Prize.