People will not disarm step by step; they will disarm at one blow or not at all.

Engineering is not only study of 45 subjects but it is moral studies of intellectual life. Make things as simple as possible..but not simpler.

God has given me a mule-like stubbornness to stick with a difficult problem and the intuitive powers to conceptualize complex hypothetical situations in my mind.

What is the meaning of human life, or of organic life altogether? To answer this question at all implies a religion.

To understand the world one must not be worrying about one's self.

One cannot deal with a problem with the same thinking that creates it.

All our thinking is of this nature, a free play with concepts.