Maturity is having the courage to use one's own intelligence!
Happiness is not an ideal of reason, but of imagination.
Nature even in chaos cannot proceed otherwise than regularly and according to order.
A single line in the Bible has consoled me more than all the books I ever read besides.
The yellow Indians do have a meagre talent. The Negroes are far below them, and at the lowest point are a part of the American people.
Life is the faculty of spontaneous activity, the awareness that we have powers.