Renown? I've already got more of it than those I respect, and will never have as much as those for whom I feel contempt.

Certain brief sentences are peerless in their ability to give one the feeling that nothing remains to be said.

We spend our time envying people whom we wouldn't wish to be.

To love an idea is to love it a little more than one should.

What scientist would not long to go on living, if only to see how the little truths he has brought to light will grow up?

Hatred, for the man who is not engaged in it, is a little like the odor of garlic for one who hasn't eaten any.

Falsity cannot keep an idea from being beautiful; there are certain errors of such ingenuity that one could regret their not ranking among the achievements of the human mind.