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

There are no shortcuts to any place worth going.

It always seems impossible until it's done.

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.

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

If you fail, next time fail better.

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.

There are no bad mistakes in maths, only discoveries.

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

I think, therefore I am.

Try and do one thing each day that you would really rather not do.

Yesterday is history, tomorrow is a mystery, but today is a gift—that's why it's called 'the present

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.

The boxer is not afraid of being knocked down, he is afraid of not being able to get up again.