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

It is never too late to become what you might have been

Work ethic is important, because, unlike intelligence, athleticism, or charisma, or any natural attribute, it’s a choice.

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

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

The wise person knows that no answer is also an answer

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

There are no bad mistakes in maths, only discoveries.

Work on your weaknesses until they are your strengths and work on your strengths until they are second nature.

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

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

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

The gift of imperfection - let go of who you think you're supposed to be and embrace who you are.

Work like you don't need the money, dance like nobody's watching and love like you've never been hurt. 

Time is your friend, impulse is your enemy.