I don't know who my grandfather was; I'm much more concerned to know what his grandson will be.

If you put off everything till you're sure of it, you'll never get anything done.

Imagination will often carry us to worlds that never were, but without it we go nowhere.

When I'm inspired, I get excited because I can't wait to see what I'll come up with next.

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

If you don't like something, change it. If you can't change it, change your attitude. Don't complain.

The secret of genius is to carry the spirit of the child into old age, which means never losing your enthusiasm.

I just want to be able to play and make people feel good with what I do. When you're thinking that way, anything can happen. And, usually, what happens is good.

Freedom from the desire for an answer is essential to the understanding of a problem.

Sovereignty is not given, it is taken.

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

We travel. Some of us forever. To seek other states, other lives, other souls.

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

Character isn't something you were born with and can't change, like your fingerprints. It's something you weren't born with and must take responsibility for forming.

If you enter this world knowing you are loved and you leave this world knowing the same, then everything that happens in between can be dealt with.

It's the little details that are vital. Little things make big things happen.

Your pain is the breaking of the shell that encloses your understanding.

The biggest adventure you can ever take is to live the life of your dreams.

What I stand for is what I stand on.

What does not destroy me, makes me strong.

Climbing to the top demands strength, whether it is to the top of Mount Everest or to the top of your career.