I can is 100 times more important than IQ.

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

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

You cannot escape the responsibility of tomorrow by evading it today

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

Mistakes have the power to turn you into something better than you were before.

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

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

I think, therefore I am.

In order to become better than anybody else you must first become better than yourself.

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

Instead of finding reasons why you can't, find reasons why you can.

99% of failures come from people who have the habit of making excuses.

Focus on progress, not perfection. Practise a little bit every day - little and often  Slow and steady wins the race.

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