If a man cannot choose, he ceases to be a man.

To surrender to ignorance and call it God has always been premature, and it remains premature today.

Better be wise by the misfortunes of others than by your own.

You cannot teach a man anything; you can only help him find it within himself.

The joy of discovery is certainly the liveliest that the mind of man can ever feel.

True greatness consists in the use of a powerful understanding to enlighten oneself and others.

If a man cannot forget, he will never amount to much.

Success is to be measured not so much by the position that one has reached in life as by the obstacles which he has overcome while trying to succeed.

Do I not destroy my enemies when I make them my friends?

Nudists have no fashion sense.