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

What does not destroy me, makes me strong.

A man can't soar too high, when he flies with his own wings.

What I stand for is what I stand on.

The secret to creativity is knowing how to hide your sources.

When every physical and mental resource is focused, one's power to solve a problem multiplies tremendously.

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

Courage is the thing. All goes if courage goes.

I'll try anything once, twice if I like it, three times to make sure.

And, when you want something, all the universe conspires in helping you to achieve it.

If I find 10,000 ways something won't work, I haven't failed. I am not discouraged, because every wrong attempt discarded is another step forward.

I may have had a lot of luck in my life, but I still need to find a challenge in the game.

If you spend too much time thinking about a thing, you'll never get it done.

Don't wish it were easier, wish you were better.

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

We could all take a lesson from crayons: some are sharp, some are beautiful, some have weird names, and all are different colors, but they still learn to live in the same box...

For a man who no longer has a homeland, writing becomes a place to live.

Ability is what you're capable of doing. Motivation determines what you do. Attitude determines how well you do it.

Yesterday is gone. Tomorrow has not yet come. We have only today. Let us begin.

Winners and losers aren't born, they are the products of how they think

A hero is no braver than an ordinary man, but he is brave five minutes longer.