Don?t only practice your art, but force your way into its secrets, for it and knowledge can raise men to the divine.

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

Look up at the stars and not down at your feet. Try to make sense of what you see, and wonder about what makes the universe exist. Be curious.

When you're at the end of your rope, tie a knot and hold on

The secret of genius is to carry the spirit of the child into old age, which means never losing your enthusiasm.

Your pain is the breaking of the shell that encloses your understanding.

The only way to make sense out of change is to plunge into it, move with it and join the dance.

I am as bad as the worst, but, thank God, I am as good as the best.

Life is 10 percent what happens to you and ninety percent how you respond to it.

No leader can be too far ahead of his followers.

People who say it cannot be done should not interrupt those who are doing it.

Make today worth remembering.

We are all in the gutter, but some of us are looking at the stars.

Change your thoughts and you change your world.

A goal is not always meant to be reached, it often serves simply as something to aim at.

If the little bit you have is nothing special in itself, at least find a way of saying it that is a little bit special.

Start by doing what is necessary, then what is possible, and suddenly you are doing the impossible.

Though the road's been rocky it sure feels good to me.

First ask yourself: What is the worst that can happen? Then prepare to accept it. Then proceed to improve on the worst.

My optimism wears heavy boots and is loud.

Things may come to those who wait but only the things left by those who hustle.