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

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

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

Skills are built not born.

There are no shortcuts to any place worth going.

Fall down seven times, stand up eight.

If you can understand just one thing thoroughly, then you will understand everything.

Your limitation - its only your imagination.

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

Your attitude is everything. Pick a good one.

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

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

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

Work ethic is important, because, unlike intelligence, athleticism, or charisma, or any natural attribute, it’s a choice.

Time is your friend, impulse is your enemy.