If you don't know, the thing to do is not to get scared, but to learn.

The only way of finding the limits of the possible is by going beyond them into the impossible.

I don't think necessity is the mother of invention. Invention ... arises directly from idleness, possibly also from laziness. To save oneself trouble.

Somewhere, something incredible is waiting to be known.

The limits of the possible can only be defined by going beyond them into the impossible.

Whether you think you can, or you think you can't - you're right.

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.

I wouldn't say I was the best manager in the business. But I was in the top one.

When all is said and done, more is said than done.

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

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

I think nature's imagination Is so much greater than man's, she's never going to let us relax.

When we see men of a contrary character, we should turn inwards and examine ourselves.

Stop acting so small. You are the universe in ecstatic motion.

Every problem is a gift - without problems we would not grow.

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

When I was in college, I wanted to be involved in things that would change the world.

A pure hand needs no glove to cover it.

Never let the future disturb you. You will meet it, if you have to, with the same weapons of reason which today arm you against the present.

Why live an ordinary life, when you can live an extraordinary one.

Things may come to those who wait but only the things left by those who hustle.