The boxer is not afraid of being knocked down, he is afraid of not being able to get up again.

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

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

We learn more from failure than we do from success.

Practice makes comfort. Expand your experiences regularly so every stretch won't feel like your first.

Your limitation - its only your imagination.

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

Start, struggle, fail, fix and learn. Repeat.

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

Lose an hour in the morning and you will spend all day looking for it.

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

If you fail, next time fail better.

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

Don't fear failure, fear being in the same exact same place next year as you are now.

Hard work - a two way street where you get exactly what you put in.