The difference between genius and stupidity is; genius has its limits.

As long as there are slaughterhouses there will be battlefields. A vegetarian diet is the acid test of humanitarianism.

Two things are infinite: the universe and human stupidity; and I'm not sure about the the universe.

The scream of the twelve-inch shrapnel is more penetrating than the hiss from a thousand Jewish newspaper vipers. Therefore let them go on with their hissing.

Generals think war should be waged like the tourneys of the Middle Ages. I have no use for knights; I need revolutionaries.

The application of force alone, without support based on a spiritual concept, can never bring about the destruction of an idea or arrest the propagation of it, unless one is ready and able to ruthlessly to exterminate the last upholders of that idea even to a man, and also wipe out any tradition which it may tend to leave behind.