Find out who you are and do it on purpose.

Do not look for approval except for the consciousness of doing your best.

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

If you don't like the road you're walking, start paving another one.

Don't stop chasing your dreams, because dreams do come true.

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

Whatever the mind of man can conceive and believe, it can achieve.

Most people live and die with their music still unplayed. They never dare to try.

I'm not telling you it's going to be easy - I'm telling you it's going to be worth it.

The great art of life is sensation, to feel that we exist, even in pain.

I believe that every person is born with talent.

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

As long as I'm in great shape, nobody beats me, for sure.

Our patience will achieve more than our force.

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

It marks a big step in your development when you come to realize that other people can help you do a better job than you could do alone.

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

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

You can't learn in school what the world is going to do next year.

Everything you can imagine is real.

Do you want to know who you are? Don't ask. Act! Action will delineate and define you.