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

The most courageous act is still to think for yourself. Aloud.

Wisdom is not the product of schooling, but of the lifelong attempt to acquire it.

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

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

Never argue with an idiot. They drag you down to their level and then beat you with experience.

Wonder is the beginning of wisdom.

We are all born ignorant, but one must work hard to remain stupid

Be sure you put your feet in the right place, then stand firm.

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

One just needs a little alertness to see and find out: Life is really a great cosmic laughter.

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.

Convictions are more dangerous enemies of truth than lies.

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

Tell the truth. Sing with passion. Work with laughter. Love with heart. 'Cause that's all that matters in the end.

There is always time to add a word, never to withdraw one.

If you do what you've always done, you'll get what you've always gotten.

Desire is poverty. Desire is the greatest impurity of the mind. Desire is the motive force for action. Desire in the mind is the real impurity. Even a spark of desire is a very great evil.

Not everything that can be counted counts, and not everything that counts can be counted.

Common sense is in spite of, not as the result of education.

The greatest pride, or the greatest despondency, is the greatest ignorance of one's self.