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

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

Fall down seven times, stand up eight.

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

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

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

Don't expect to be good at maths or understand things straight away. Be patient and persistent. The most powerful warriors are patience and time.

Twenty years from now you will be more disappointed by the things you didn’t do than the things you did do

Lose an hour in the morning and you will spend all day looking for it.

1.00³⁶⁵=1 and 1.01³⁶⁵=37.7. Doing nothing at all versus small steps at a time. 

It always seems impossible until it's done.

Pure mathematics is in its way, the poetry of logical ideas.

We learn more from failure than we do from success.

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

I have not failed, I've just found 10,000 ways that won't work.