Faith is the wors curse of mankind, as the exact antithesis and enemy of thought.

Errors of knowledge are not breaches of morality; no proper moral code can demand infallibility or omniscience.

If you write a whole line of zeroes, it's still — nothing.

The verdict you pronounce upon the source of your livelihood is the verdict you pronounce upon your life.

The view that man was ever to be drawn by some vision of the unattainable shining ahead, doomed ever to aspire, but not to achieve, my life and my values could not bring me to that.

He never felt lonliness except when he was happy.

When a man feels fear without reason, you call him to the attention of a psychiatrist; you are not so careful to protect the meaning, the nature and the dignity of love.