The journey of a thousand miles begins with one step. 

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

There are no bad mistakes in maths, only discoveries.

I can is 100 times more important than IQ.

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

Procrastination is the thief of time and the enemy of success.

The journey of a thousand miles begins with one step.

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

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.

Just stick with it, what seems hard now will one day be your warm up.

The bad news is time flies, the good new is that you're the pilot.

Knowledge is of no value unless you put it into practice.

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

Nobody said it’d be easy, they just promised it would be worth it.

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