When you make a mistake, take another chance. Only when you choose not to do so do you fail.

Patience is when you’re supposed to get mad, but you choose to understand

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

Everything you want is on the other side of fear

I think, therefore I am.

Work like you don't need the money, dance like nobody's watching and love like you've never been hurt. 

Tough times never last, but tough people do.

If you want to succeed, double your failure rate.

We learn more from failure than we do from success.

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

Don’t confuse your path with your destination. Just because its stormy now doesn’t mean you are headed for failure.

There are no shortcuts to any place worth going.

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

Don't put off until tomorrow what you can do today. If today you have no time, it means tomorrow you'll be too tired and the next day you'll be something else.

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