Don't put off until tomorrow what you can do today. If today you have no time, it means tomorrow you'll be too tired and the next day you'll be something else.

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

If you want to succeed, double your failure rate.

We all have two lives. The second begins when we realise we only have one. 

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

The greatest enemy to human potential is your comfort zone

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

You can pick up a mistake and carry it as a burden,  or you can set it down as use it as a stepping stone to greatness.

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

A hero is no braver than an ordinary man, but he is braver five minutes longer.

There are no bad mistakes in maths, only discoveries.

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

We learn more from failure than we do from success.

I fear not the man who has practiced 10,000 kicks once, but I fear the man who has practiced one kick 10,000 times.

Your limitation - its only your imagination.