The temptation to quit will be the greatest when you are about to succeed

Time is your friend, impulse is your enemy.

Each day is an opportunity to improve. Aim to be that little bit better than yesterday and better tomorrow than today.

I can is 100 times more important than IQ.

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

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

Procrastination makes easy things hard and hard things harder.

The bad news is time flies, the good new is that you're the pilot.

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

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

Hard work beats talent when talent doesn't work hard.

You cannot escape the responsibility of tomorrow by evading it today

Fall down seven times, stand up eight.

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

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