The master has failed more times than the beginner has even tried

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

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

Fall down seven times, stand up eight.

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

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

You cannot escape the responsibility of tomorrow by evading it today

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

Whenever you find yourself doubting how far you can go, just remember how far you have come.

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

You can hire a tutor but you can't hire someone to practice for you.

If you want to succeed, double your failure rate.

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

I think, therefore I am.

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