The ultimate authority must always rest with the individual's own reason and critical analysis.

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

The greatest deception men suffer is from their own opinions.

The heart has its reasons which reason knows not.

Think no vice so small that you may commit it, and no virtue so small that you may over look it.

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

Don't take tomorrow to bed with you.

Don't criticize what you can't understand.

The oldest, shortest words- 'yes' and 'no'- are those which require the most thought.

Experience is the only prophecy of wise men.

Where wisdom reigns, there is no conflict between thinking and feeling.

Be curious, not judgmental.

To a wise and good man the whole earth is his fatherland.

The object of the superior man is truth.

Drop the idea that you are Atlas carrying the world on your shoulders. The world would go on even without you. Don't take yourself so seriously.

A man may imagine things that are false, but he can only understand things that are true.

Courage is resistance to fear, mastery of fear - not absence of fear.

Chaos is a name for any order that produces confusion in our minds.

What can't be cured must be endured.

Experience is merely the name men gave to their mistakes.

Most of us have far more courage than we ever dreamed possible