Criticize the act, not the person.

It is better to be looked over than overlooked.

I don't know, I don't care, and it doesn't make any difference.

Each problem that I solved became a rule which served afterwards to solve other problems.

If you are neutral in situations of injustice, you have chosen the side of the oppressor.

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

Words mean more than what is set down on paper. It takes the human voice to infuse them with deeper meaning.

Those who know, do. Those that understand, teach.

You cannot truly listen to anyone and do anything else at the same time.

Science is organized knowledge. Wisdom is organized life.

For beautiful eyes, look for the good in others; for beautiful lips, speak only words of kindness; and for poise, walk with the knowledge that you are never alone.

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

The greatest of all mistakes is to do nothing because you think you can only do a little

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

Madame, all stories, if continued far enough, end in death, and he is no true-story teller who would keep that from you.

Generosity is giving more than you can, and pride is taking less than you need.

Anywhere you go in the world is what you make of it, not what you read in books.

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

The more skilled you are at something, the worse you are at it when showing someone.

Whatever the mind of man creates, should be controlled by man's character

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