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

The journey of a thousand miles begins with one step. 

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

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

Run in the morning before your body figures out what you're doing

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

Work on your weaknesses until they are your strengths and work on your strengths until they are second nature.

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

We learn more from failure than we do from success.

Practice makes comfort. Expand your experiences regularly so every stretch won't feel like your first.

Success is the sum of small repeated efforts, day in and day out.

If you fail, next time fail better.

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

The bad news is time flies, the good new is that you're the pilot.

The greatest enemy to human potential is your comfort zone