Your limitation - its only your imagination.

Don't be afraid to take an unfamiliar path.  Sometimes they're the ones that lead you to the best places.

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

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

Skills are built not born.

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

I have not failed, I've just found 10,000 ways that won't work.

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

If you really want something you’ll find a way. If you don’t you’ll find an excuse.

Nothing is impossible if you want it badly enough. Impossible = I'm possible.

Tough times never last, but tough people do.

The greatest enemy to human potential is your comfort zone

When you make a mistake, take another chance. Only when you choose not to do so do you fail.

Don’t be afraid to work hard and find out how good you can really be.

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