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

You cannot start the next chapter of your life if you keep re-reading the last one.

The power of reflection is the most powerful skill you’ll learn.

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

Don’t compare yourself to others. Compare yourself to the person you were yesterday.

Don’t practice until you get it right, practice until you can’t get it wrong.

Never underestimate the importance of small steps. small steps = big changes. 

It always seems impossible until it's done.

Your limitation - its only your imagination.

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

Pure mathematics is in its way, the poetry of logical ideas.

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

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

Knowledge is of no value unless you put it into practice.

If you fail, next time fail better.