The only true wisdom is in knowing you know nothing.

To live a creative life, we must lose our fear of being wrong.

You can't use up creativity. The more you use, the more you have.

A word after a word after a word is power.

You can make anything by writing.

There is no greater agony than bearing an untold story inside you.

The secret source of humor itself is not joy but sorrow.

Get your facts first, then you can distort them as you please.

Be yourself; everyone else is already taken.

I can resist everything except temptation.

If I have seen further it is by standing on the shoulders of giants.

Science is a way of thinking much more than it is a body of knowledge.

Somewhere, something incredible is waiting to be known.

The important thing is not to stop questioning.

Two things are infinite: the universe and human stupidity; and I'm not sure about the universe.

Creativity is intelligence having fun.

Success is the sum of small efforts, repeated day in and day out.

Start where you are. Use what you have. Do what you can.

Act as if what you do makes a difference. It does.

It always seems impossible until it's done.