I once sent a dozen of my friends a telegram saying 'flee at once - all is discovered.' They all left town immediately.

In all my travels the thing that has impressed me the most is the universal brotherhood of man-what there is of it.

I hope all of us may eventually be together in everlasting peace and bliss -- except the inventor of the #‎ telephone .

It has always been a peculiarity of the human race that it keeps two sets of morals in stock-the private and the real, and the public and the artificial.

Man never creates, he only recombines the lines and colors of his own existance.

The human being places sexual intercourse above all other joys, but leaves it out of his heaven.

When I was fourteen years old, I was amazed at how unintelligent my father was. By the time I turned twenty-one, I was astounded how much he had learned in the last seven years.