I study myself more than any other subject. That is my metaphysics, that is my physics.

The whole universe is contained within a single human being—you.

Benevolence, righteousness, propriety, and knowledge are not infused into us from without.

When we seek to discover the best in others, we somehow bring out the best in ourselves.

The only competition worthy of a wise man is with himself.

The clearest way in the Universe is through a forest wilderness.

There is a vitality, a life force, an energy, a quickening, that is translated through you into action, and because there is only one of you in all time, this expression is unique. And if you block it, it will never exist through any other medium and will be lost.

I refuse to accept the idea that the “isness” of man’s present nature makes him morally incapable of reaching up for the “oughtness” that forever confronts him.

You don't have a soul. You are a soul. You have a body.

Amid the seeming confusion of our mysterious world, individuals are so nicely adjusted to a system, and systems to one another and to a whole, that, by stepping aside for a moment, a man exposes himself to a fearful risk of losing his place forever.