Each problem that I solved became a rule which served afterwards to solve other problems.

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

If you do not know the laws of right conduct, you cannot form your character.

There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self.

Happiness is not an ideal of reason, but of imagination.

Sometimes you will never know the value of a moment until it becomes a memory.

The absent are never without fault, nor the present without excuse.

What can't be cured must be endured.

At the center of your being you have the answer; you know who you are and you know what you want.

I dream. Sometimes I think that's the only right thing to do.

The noblest pleasure is the joy of understanding.

Man is the only creature who refuses to be what he is.

When prosperity comes, do not use all of it.

It is the mark of an educated mind to be able to entertain a thought without accepting it.

The very essence of instinct is that it's followed independently of reason.

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.

None but ourselves can free our minds.

As the soft yield of water cleaves obstinate stone, So to yield with life solves the insolvable: To yield, I have learned, is to come back again.

Don't criticize what you can't understand.

He alone is free who lives with free consent under the entire guidance of reason.

Desire, ignorance, and inequality—this is the trinity of bondage.