It is easy to shield the outer body from poisoned arrows, but it is impossible to shield the mind from the poisoned darts that originate within itself. Greed, anger, foolishness and the infatuations of egoism - these four poisoned darts originate within the mind and infect it with deadly poison.

No code of ethics and no effort are justifiable a priori in the face of the cruel mathematics that command our condition.

So all a man could win in the conflict between plague and life was knowledge and memories.

An intense feeling carries with it its own universe, magnificent or wretched as the case may be.

There always comes a time when one must choose between contemplation and action. This is called becoming a man.

The main thing is that everything become simple, easy enough for a child to understand.

Our civilization survives in the complacency of cowardly or malignant minds -- a sacrifice to the vanity of aging adolescents