My pacifism is not based on any intellectual theory but on a deep antipathy to every form of cruelty and hatred.

If I would follow your advice and Jesus could perceive it, he, as a Jewish teacher, surely would not approve of such behavior.

The idle man does not know what it is to enjoy rest.

Human beings are not condemned, because of their biological constitution, to annihilate each other or to be at the mercy of a cruel, self-inflicted fate.

The more cruel the wrong that men commit against an individual or a people, the deeper their hatred and contempt for their victim.

Every one who is seriously involved in the pursuit of science becomes convinced that a spirit is manifest in the laws of the Universe-a spirit vastly superior to that of man, and one in the face of which we with our modest powers must feel humble.

Condemnation without investigation is the height of ignorance