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

I am not what happened to me, I am what I choose to become.

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

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

If the only tool you have is a hammer, you tend to see every problem as a nail.

Man who stand on hill with mouth open will wait long time for roast duck to drop in.

People don't realize how a man's whole life can be changed by one book.

When you believe in a thing, believe in it all the way, implicitly and unquestionably.

You yourself, as much as anybody in the entire universe, deserve your love and affection.

Determine never to be idle. No person will have occasion to complain of the want of time, who never loses any. It is wonderful how much may be done, if we are always doing.

There is always room at the top.

A sudden dart when a little over a hundred feet from the end of the track, or a little over 120 feet from the point at which it rose into the air, ended the flight.

If you can accept losing, you can't win.

I love those who can smile in trouble...

Never tell all you know-not even to the person you know best.

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

There is nothing in a caterpillar that tells you it's going to be a butterfly.

They deem me mad because I will not sell my days for gold; and I deem them mad because they think my days have a price.

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

We are what we repeatedly do. Excellence, then, is not an act, but a habit.

When obstacles arise, you change your direction to reach your goal; you do not change your decision to get there.