The best revenge is to be unlike him who performed the injury.

If you don't behave as you believe, you will end by believing as you behave.

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

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

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

What's done can't be undone.

There is an art, or rather a knack to flying. The knack lies in learning how to throw yourself at the ground and miss.

In the practice of tolerance, one's enemy is the best teacher.

The trouble with most of us is that we would rather be ruined by praise than saved by criticism.

Loneliness adds beauty to life. It puts a special burn on sunsets and makes night air smell better.

Everything excellent is as difficult as it is rare.

The simple things are also the most extraordinary things, and only the wise can see them.

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

The only real mistake is the one from which we learn nothing.

Attachment is the great fabricator of illusions; reality can be attained only by someone who is detached.

I've learned that people will forget what you said, people will forget what you did, but people will never forget how you made them feel.

Only idiots refuse to change their minds.

Rational discussion is useful only when there is a significant base of shared assumptions.

Happiness is not an ideal of reason, but of imagination.

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.

Never pick a fight with an ugly person, they've got nothing to lose.