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.

Even if it is a little thing, do something for those who have need of help.

Very little of the great cruelty shown by men can really be attributed to cruel instinct. Most of it comes from thoughtlessness or inherited habit. The roots of cruelty, therefore, are not so much strong as widespread. But the time must come when inhumanity protected by custom and thoughtlessness will succumb before humanity championed by thought. Let us work that this time may come.

The great secret of success is to go through life as a person who never gets used up. That is possible for those who never argue and strive with people and facts, but in all experience retires upon themselves, and look for the ultimate cause of things in themselves.

The friend of nature is the man who feels himself inwardly united with everything that lives in nature, who shares in the fate of all creatures, helps them when he can in their pain and need, and as far as possible avoids injuring or taking life.

The result of the voyage does not depend on the speed of the ship, but on whether or not it keeps a true course.

Jesus no doubt fits his teaching into the late-Jewish messianic dogma. But he does not think dogmatically. He formulates no doctrine. He is far from judging any man's belief by reference to any standard of dogmatic correctness. Nowhere does he demand of his hearers that they shall sacrifice thinking to believing.