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

The road to success is like a staircase. If you want to succeed, double your failure rate

Fall down seven times, stand up eight.

The journey of a thousand miles begins with one step.

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

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

There is no elevator to success, you have to take the stairs.

You cannot escape the responsibility of tomorrow by evading it today

I can is 100 times more important than IQ.

Everything you want is on the other side of fear

The greatest mistake we make is living in constant fear that we will make one.

The greatest glory in loving lies not in never falling, but in rising every time we fall.

Never underestimate the importance of small steps. small steps = big changes. 

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

The greatest enemy to human potential is your comfort zone