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

Hard work beats talent when talent doesn't work hard.

The journey of a thousand miles begins with one step. 

The temptation to quit will be the greatest when you are about to succeed

Everything you want is on the other side of fear

Skills are built not born.

It always seems impossible until it's done.

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

You can pick up a mistake and carry it as a burden,  or you can set it down as use it as a stepping stone to greatness.

I can is 100 times more important than IQ.

No one starts out on top. You have to work your way up.

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.

You can have results or excuses, not both

Try and do one thing each day that you would really rather not do.

Everything that happens was once a dream.