Desire is the very essence of man.

The experience gathered from books, though often valuable,is but the nature of learning whereas the experience gained from actual life is of the nature of wisdom.

To kill an error is as good a service as, and sometimes even better than, the establishing of a new truth or fact

Act enthusiastic and you will be enthusiastic

We choose our joys and sorrows long before we experience them.

A friend to all is a friend to none

Life's battles don't always go to the stronger or faster man. But sooner or later, the man who wins is the man who thinks he can.

Obsession is the wellspring of genius and madness.

Rational discussion is useful only when there is a significant base of shared assumptions.

Just remember, once you're over the hill you begin to pick up speed.

What's real and what's true aren't necessarily the same.

Act as if the maxim of your action were to become through your will a general natural law

There is an art, or rather a knack to flying. The knack lies in learning how to throw yourself at the ground and miss.

You can be rich in spirit, kindness, love and all those things that you can't put a dollar sign on.

Thought can be so seductive and hypnotic that it absorbs your attention totally, so you become your thoughts.

A house is not a home unless it contains food and fire for the mind as well as the body.

A proverb is much matter distilled into few words.

There are no limitations to the mind except those we acknowledge.

I have no desire to make windows into mens souls

You are the bows from which your children as living arrows are sent forth.

Your reputation is in the hands of others. That's what the reputation is. You can't control that. The only thing you can control is your character.