The world is not full of evil because of those who do wrong. It is full of evil because of those who do nothing.

Insofar as mathematics is true, it does not describe the real world. Insofar as it describes the real world, it is not true.

I believe my theory of relativity to be true. But it will only be proved for certain in 1981, when I am dead.

A bartender is just a pharmacist with a limited inventory.

Concerning matter, we have been all wrong. What we have called matter is energy, whose vibration has been so lowered as to be perceptible to the senses. There is no matter.

True knowledge comes with deep understanding of a topic and its inner workings.

For me the Jewish religion like all other religions is an incarnation of the most childish superstitions.