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

Science is organized knowledge. Wisdom is organized life.

If a man could have half of his wishes, he would double his troubles.

The first method for estimating the intelligence of a ruler is to look at the men he has around him.

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

It is not enough to have a good mind; the main thing is to use it well.

It takes a lot of courage to show your dreams to someone else.

Whatever it is you're seeking won't come in the form you're expecting.

Where wisdom reigns, there is no conflict between thinking and feeling.

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

No one can make you feel inferior without your consent.

You laugh at me because I'm different, I laugh at you because you're all the same.

One new feature or fresh take can change everything.

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.

The only limit to our realization of tomorrow will be our doubts of today.

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.

The greatest minds are capable of the greatest vices as well as of the greatest virtues.

Those who see the invisible can do the impossible.

All great achievements require time.

Thoughts without content are empty, intuitions without concepts are blind.

What you're thinking is what you're becoming.