Gravity is only the bark of wisdom's tree; but it preserves it

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

Do not deny the classical approach, simply as a reaction, or you will have created another pattern and trapped yourself there.

All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. There is nothing higher than reason.

Experience teaches us that it is much easier to prevent an enemy from posting themselves than it is to dislodge them after they have got possession.

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

Those who dance are considered insane by those who cannot hear the music.

Knowing yourself is the beginning of all wisdom.

Great dreams of great dreamers are always transcended.

The pendulum of the mind oscillates between sense and nonsense, not between right and wrong.

All the great things are simple, and many can be expressed in a single word: freedom; justice; honor; duty; mercy; hope.

Having a great intellect is no path to being happy.

I wanted to change the world. But I have found that the only thing one can be sure of changing is oneself.

If I speak of myself in different ways, that is because I look at myself in different ways.

The greatest minds are capable of the greatest vices as well as of the greatest virtues.

It is better to be looked over than overlooked.

A man who as a physical being is always turned toward the outside, thinking that his happiness lies outside him, finally turns inward and discovers that the source is within him.

We sometimes congratulate ourselves at the moment of waking from a troubled dream; it may be so the moment after death.

Turn your wounds into wisdom.

It is a wise man that does know the contented man is never poor, whilst the discontented man is never rich.

If you are neutral in situations of injustice, you have chosen the side of the oppressor.