If you want creative workers, give them enough time to play.

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

When I go, God's going to have to give up his favourite chair.

If you're not prepared to be wrong, you'll never come up with anything original.

Identify your problems but give your power and energy to solutions

People die from typewriters falling on their heads.

We cannot do everything at once, but we can do something at once.

I am always doing that which I can not do, in order that I may learn how to do it.

You'll never do a whole lot unless you're brave enough to try.

The people who were trying to make this world worse are not taking the day off. Why should I?

Listen to many, speak to a few.

I trust that everything happens for a reason, even if we are not wise enough to see it.

Sincerity and truth are the basis of every virtue.

Whatever you can do or dream you can, begin it. Boldness has genius, power and magic in it!

We need never be ashamed of our tears.

When written in Chinese, the word 'crisis' is composed of two characters. One represents danger, the other opportunity.

Out of intense complexities intense simplicities emerge.

You see things; you say, 'Why?' But I dream things that never were; and I say 'Why not?

Keep your face to the sunshine and you will never see the shadow.

I would prefer even to fail with honor than win by cheating.

The fact that the great scientist believed in flying machines was the one thing that encouraged us to begin our studies.