A scientific man ought to have no wishes, no affections, - a mere heart of stone.

Hope is like the sun, which, as we journey toward it, casts the shadow of our burden behind us.

You are like my little dog; when people see you, they know I am nearby.

An intense anticipation itself transforms possibility into reality; our desires being often but precursors of the things which we are capable of performing.

Until we're educating every kid in a fantastic way, until every inner city is cleaned up, there is no shortage of things to do.

What's with you men? Would hair stop growing on your chest if you asked directions somewhere?

A moral being is one who is capable of reflecting on his past actions and their motives - of approving of some and disapproving of others

My loneliness was born when men praised my talkative faults and blamed my silent virtues.

The only thing worse than being blind is having sight but no vision.

The American people should be made aware of the trend toward monopolization of the great public information vehicles and the concentration of more and more power over public opinion in fewer and fewer hands.

A jug fills drop by drop.

He alone, who owns the youth, gains the future.

I have great faith in fools; self-confidence my friends call it.

All that spirits desire, spirits attain.

Face the facts of being what you are, for that is what changes what you are.

Every man's memory is his private literature.

I'm not a genius. I'm just a tremendous bundle of experience.

Liberty, according to my metaphysics is a self-determining power in an intellectual agent. It implies thought and choice and power.

Ladies who play with fire must remember that smoke gets in their eyes.

For a moment, nothing happened. Then, after a second or so, nothing continued to happen.

I have noticed even people who claim everything is predestined, and that we can do nothing to change it, look before they cross the road.