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

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

No one starts out on top. You have to work your way up.

Failure to prepare = preparing to fail

Tough times never last, but tough people do.

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

Fall down seven times, stand up eight.

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

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

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

Don't fear failure, fear being in the same exact same place next year as you are now.

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.

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

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

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