Experience is the only prophecy of wise men.

Don't compromise yourself. You are all you've got.

A good teacher protects his pupils from his own influence.

Science is organized knowledge. Wisdom is organized life.

We must live together as brothers or perish together as fools.

A crust eaten in peace is better than a banquet partaken in anxiety.

Wisdom begins at the end.

Think globally, act locally.

Sometimes one creates a dynamic impression by saying something, and sometimes one creates as significant an impression by remaining silent.

Let there be spaces in your togetherness.

Muddy water is best cleared by leaving it alone.

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

Everything we hear is an opinion, not a fact. Everything we see is a perspective, not the truth.

What can't be cured must be endured.

It is neither good nor bad, but thinking makes it so.

Time wounds all heels.

When you judge another, you do not define them, you define yourself.

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

Simplicity is the ultimate sophistication.

Where you stand depends on where you sit.

If you buy what you do not need, you will need what you cannot buy.