Expediency is a law of nature. The camel is a wonderful animal, but the desert made the camel.
An amateur may not be an artist, though an artist should be an amateur.
Read no history: nothing but biography, for that is life without theory.
Happiness is only to be found in a recurrence to the principles of human nature; and these will prompt very simple measures.
Travel teaches toleration.
What art was to the ancient world, Science is to the modern; the distinctive faculty. In the minds of men, the useful has succeeded to the beautiful.