Mathematics allows for no hypocrisy and no vagueness.

The shepherd always tries to persuade the sheep that their interests and his own are the same.

I think no woman I have had ever gave me so sweet a moment, or at so light a price, as the moment I owe to a newly heard musical phrase.

The man of genius is he and he alone who finds such joy in his art that he will work at it come hell or high water.

Our true passions are selfish.

The first qualification for a historian is to have no ability to invent.