Success is not final, failure is not fatal.  It is the courage to continue that counts.

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

Life is full of opportunities. With every opportunity that is missed, another one is born.

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

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

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

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

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

We learn more from failure than we do from success.

It is never too late to turn an unproductive day into a productive one.

We all have two lives. The second begins when we realise we only have one. 

Practice like you’ve never won. Perform like you’ve never lost.

If you can understand just one thing thoroughly, then you will understand everything.

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

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