Whatever you think the world is withholding from you, you are withholding from the world.

A man is literally what he thinks.

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

Fear doesn't exist anywhere except in the mind.

A perfection of means, and confusion of aims, seems to be our main problem.

Yesterday is but today's memory and tomorrow is today's dream.

Those who can not change their minds can not change anything.

There are two educations. One should teach us how to make a living and the other how to live.

What lies behind us and what lies ahead of us are tiny matters compared to what lives within us.

Never do anything when you are in a temper, for you will do everything wrong.

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

A wise man can learn more from a foolish question than a fool can learn from a wise answer.

The first thing you'll have to do, is the last thing you wished.

Tis very certain the desire of life prolongs it.

All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident.

I mistrust the judgement of every man in a case in which his own wishes are concerned.

Those who see the invisible can do the impossible.

Science has not yet taught us if madness is or is not the sublimity of the intelligence.

If we do not lay out ourselves in the service of mankind whom should we serve?

No one cares how much you know, until they know how much you care

Our virtues and our failings are inseparable, like force and matter. When they separate, man is no more