Success is not final, failure is not fatal.  It is the courage to continue that counts.

Shoot for the moon and even if you miss you’ll land among the stars/

You cannot escape the responsibility of tomorrow by evading it today

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

I think, therefore I am.

I fear not the man who has practiced 10,000 kicks once, but I fear the man who has practiced one kick 10,000 times.

When you make a mistake, take another chance. Only when you choose not to do so do you fail.

Good mathematics is not about how many answers you know... It is about how you behave when you don't know.

Go as far as you can see, when you get there, you’ll be able to see further

If you really want something you’ll find a way. If you don’t you’ll find an excuse.

Instead of finding reasons why you can't, find reasons why you can.

He who has begun his task is half-way done. Have the courage to begin!

Everything you want is on the other side of fear

Don’t be afraid to work hard and find out how good you can really be.

Your limitation - its only your imagination.