An inventor fails 999 times, and if he succeeds once, he's in.

The older I get, the greater power I seem to have to help the world.

Our doubts are traitors, and make us lose the good we oft might win, by fearing to attempt.

All that you’ve loved is all you own.

I'm afraid I'm an incorrigible life-lover, life-wonderer, and adventurer.

I'm doing many different things to prepare for the inevitable failure of one of them.

We are stronger when we listen, and smarter when we share.

The ultimate luxury in life remains nature.

Vision is the art of seeing things invisible.

Find the thing you do well and do it again and again for the rest of your life.

A person without imagination is like a teabag without hot water.