Experience is a wonderful thing. It enables you to recognize a mistake when you make it again. If all economists were laid end to end they would not reach a conclusion.

All great truths begin as blasphemies.

Alcohol is the anesthesia by which we endure the operation of life.

Once there was a time when all people believed in God and the church ruled. This time is called the Dark Ages. He who can, does. He who cannot teaches.

My schooling did me a great deal of harm and no good whatever; it was simply dragging a child's soul through the dirt.

All Artists are Anarchists.

The Anti-Vivisector does not deny that physiologists must make experiments and even take chances with new methods. He says that they must not seek knowledge by criminal methods, just as they must not make money by criminal methods. He does not object to Galileo dropping cannon balls from the top of the leaning tower of Pisa; but he would object to shoving off two dogs or American tourists.