And above all things, never think that you're not good enough yourself. A man should never think that. My belief is that in life people will take you at your own reckoning.

• It takes more than capital to swing business. You've got to have the A. I. D. degree to get by - Advertising, Initiative, and Dynamics.
• It is change, continuing change, inevitable change, that is the dominant factor in society today. No sensible decision can be made any longer without taking into account not only the world as it is, but the world as it will be.
• I do not fear computers. I fear the lack of them.
• Part of the inhumanity of the computer is that, once it is competently programmed and working smoothly, it is completely honest.
• Life is pleasant. Death is peaceful. It's the transition that's troublesome.
• Self-education is, I firmly believe, the only kind of education there is.
• I do not fear computers. I fear the lack of them.
• People who think they know everything are a great annoyance to those of us who do.
• The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'
• Humanity has the stars in its future, and that future is too important to be lost under the burden of juvenile folly and ignorant superstition.