I can is 100 times more important than IQ.

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

Mathematics Is not a spectator sport. The only way to learn mathematics is to do mathematics.

You cannot escape the responsibility of tomorrow by evading it today

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

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

Procrastination makes easy things hard and hard things harder.

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

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

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

The journey of a thousand miles begins with one step. 

The easiest person to deceive is yourself.

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

Success is the sum of small repeated efforts, day in and day out.

You're not in competition with anyone but yourself. Outdo your past, not other people.