99% of failures come from people who have the habit of making excuses.

We learn more from failure than we do from success.

In order to become better than anybody else you must first become better than yourself.

I think, therefore I am.

Don’t hang your targets after you’re done shooting.

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

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

There is no elevator to success, you have to take the stairs.

Failure is not the opposite of success, it is part of the success.

Never let a dark chapter make you forget that better days are ahead of you. Your story is far from over.

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

I have not failed, I've just found 10,000 ways that won't work.

Do what you have always done and you will always be what you have always been

It always seems impossible until it's done.

Mathematics Is not a spectator sport. The only way to learn mathematics is to do mathematics.