We should not give up and we should not allow the problem to defeat us.

I don't care what people think or say about me, I know who I am.

Differences are not intended to separate, to alienate. We are different precisely in order to realize our need of one another.

When all is said and done, more is said than done.

We travel. Some of us forever. To seek other states, other lives, other souls.

You can't learn in school what the world is going to do next year.

There are only 3 colors, 10 digits, and 7 notes; its what we do with them that's important.

Ability is what you're capable of doing. Motivation determines what you do. Attitude determines how well you do it.

You can chain me, you can torture me, you can even destroy this body, but you will never imprison my mind.

Listen to many, speak to a few.

Keep away from people who try to belittle your ambitions. Small people always do that, but the really great make you feel that you, too, can become great.

Sincerity and truth are the basis of every virtue.

He was a dreamer, a thinker, a speculative philosopher... or, as his wife would have it, an idiot.

If you put off everything till you're sure of it, you'll never get anything done.

There is no refuge from confession but suicide; and suicide is confession.

The way to become rich is to put all your eggs in one basket and then watch that basket.

Only in the darkness, you are able to see the stars.

It marks a big step in your development when you come to realize that other people can help you do a better job than you could do alone.

Duty does not require any person to submit to the destruction of his personal ambitions and the right to live his own life in his own way.

I do not want to die rusting, I prefer to burn out.

When you're curious, you find lots of interesting things to do.