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

There are no bad mistakes in maths, only discoveries.

I think, therefore I am.

There is no elevator to success, you have to take the stairs.

We are all maths people : step 1 - do maths and step 2 - be a person. 

The greatest mistake we make is living in constant fear that we will make one.

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

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

Don’t hang your targets after you’re done shooting.

If you fail, next time fail better.

You cannot start the next chapter of your life if you keep re-reading the last one.

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

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

We learn more from failure than we do from success.

Hard work - a two way street where you get exactly what you put in.