You're not in competition with anyone but yourself. Outdo your past, not other people.

Your limitation - its only your imagination.

Focus on progress, not perfection. Practise a little bit every day - little and often  Slow and steady wins the race.

If you want to succeed, double your failure rate.

He who has begun his task is half-way done. Have the courage to begin!

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

Work like you don't need the money, dance like nobody's watching and love like you've never been hurt. 

Everything that happens was once a dream.

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

Life is full of opportunities. With every opportunity that is missed, another one is born.

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

We learn more from failure than we do from success.

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

Hard work always pays off - it is not a question of if you will get there, but WHEN you will get there

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