Wisdom... comes not from age, but from education and learning.

We may encounter many defeats but we must not be defeated.

There are four ways, and only four ways, in which we have contact with the world. We are evaluated and classified by these four contacts: what we do, how we look, what we say, and how we say it.

Don't raise your voice, improve your argument.

Reflect upon your present blessings, of which every man has many; not on your past misfortunes, of which all men have some.

Wise men speak because they have something to say; Fools because they have to say something.

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

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

Almost every wise saying has an opposite one, no less wise, to balance it.

Knowing yourself is the beginning of all wisdom.

Although our intellect always longs for clarity and certainty, our nature often finds uncertainty fascinating.

We thought that we had the answers, it was the questions we had wrong.

You have heard that it was said, 'Eye for eye, and tooth for tooth.' But I tell you, do not resist an evil person. If someone strikes you on the right cheek, turn to him the other also.

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

When you learn, teach, when you get, give.

As the soft yield of water cleaves obstinate stone, So to yield with life solves the insolvable: To yield, I have learned, is to come back again.

What can't be cured must be endured.

I write with experiences in mind, but I don't write about them, I write out of them.

To live is not merely to breathe; it is to act; it is to make use of our organs, senses, faculties - of all those parts of ourselves which give us the feeling of existence

Think globally, act locally.

If we don't believe in freedom of expression for people we despise, we don't believe in it at all.