The person who tries to live alone will not succeed as a human being. His heart withers if it does not answer another heart. His mind shrinks away if he hears only the echoes of his own thoughts and finds no other inspiration.
The power of words lies in their ability to evoke emotions.
The best way to predict the future is to invent it.
The most beautiful as well as the most ugly inclinations of man are not part of a fixed biologically given nature, but result from the social process which creates man.
The bigger the crowd, the more unnatural the picture.