Weak people revenge. Strong people forgive. Intelligent People Ignore.

Fear or stupidity has always been the basis of most human actions.

If the bees disappear, man would have only four years of life left.

[Asked about a book in which 100 Nazi professors charged him with scientific error.] Were I wrong, one professor would have been quite enough.

Life is like riding a bicycle. If you want to stay balanced you've got to keep moving forward.

An autocratic system of coercion, in my opinion, soon degenerates. For force always attracts men of low morality, and I believe it to be an invariable rule that tyrants of genius are succeeded by scoundrels. For this reason I have always been passionately opposed to systems such as we see in Italy and Russia to-day.

"There's been a quantum leap technologically in our age, but unless there's another quantum leap in human relations, unless we learn to live in a new way towards one another, there will be a catastrophe."