Despair lames most people, but it wakes others fully up.

Seek out that particular mental attribute which makes you feel most deeply and vitally alive.

If you give appreciation to people, you win their goodwill. But more important than that, practicing this philosophy has made a different person of me.

No matter how full a reservoir of maxims one may possess, and no matter how good one's sentiments may be, if one has not taken advantage of every concrete opportunity to act, one's character may remain entirely unaffected for the better.

If it works, it's true.

There is but one unconditional commandment ... to bring about the very largest total universe of good which we can see.

All the higher, more penetrating ideals are revolutionary. They present themselves far less in the guise of effects of past experience than in that of probable causes of future experience, factors to which the environment and the lessons it has so far taught us must learn to bend.