Don’t practice until you get it right, practice until you can’t get it wrong.

I think, therefore I am.

There are no shortcuts to any place worth going.

Dreams don't work unless you do.

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

You cannot escape the responsibility of tomorrow by evading it today

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

Procrastination makes easy things hard and hard things harder.

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

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

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

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

We learn more from failure than we do from success.

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

Be strong enough to stand alone, smart enough to know when you need help, and brave enough to ask for it.