Many adults, whether consciously or unconsciously, find it beneath their adult dignity to do anything as childish as read a book, think a thought, or get an idea. Adults are rarely embarrased at having forgotten what little algebra or geography they once learned

It is the chief characteristic of the religion of science that it works.

I don't believe in personal immortality; the only way I expect to have some version of such a thing is through my books.

There is an art to science, and a science in art; the two are not enemies, but different aspects of the whole.

The intelligent man is never bored.

The human mind works at low efficiency. Twenty percent is the figure usually given. When, momentarily, there is a flash of greater power, it is termed a hunch, or insight, or intuition.

In a properly automated and educated world, then, machines may prove to be the true humanizing influence. It may be that machines will do the work that makes life possible and that human beings will do all the other things that make life pleasant and worthwhile