That's my private ant. You're liable to break its legs.

An optimist is a person who sees a green light everywhere, while a pessimist sees only the red stoplight... the truly wise person is colorblind.

The last fact which knowledge can discover is that the world is a manifestation, and in every way a puzzling manifestation, of the universal will to live.

There is no higher religion than human service.

If there is anything I have learned about men and women, it is that there is a deeper spirit of altruism than is ever evident. Just as the rivers we see are minor compared to the underground streams, so, too, the idealism that is visible is minor compared to what people carry in their hearts unreleased or scarcely released.

The first step in the evolution of ethics is a sense of solidarity with other human beings.

Truth has not special time of its own. Its hour is now - always and, indeed then most truly, when it seems unsuitable to actual circumstances.