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

If you fail, next time fail better.

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

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

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

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

Nobody said it’d be easy, they just promised it would be worth it.

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

The power of reflection is the most powerful skill you’ll learn.

Don't expect to be good at maths or understand things straight away. Be patient and persistent. Rome wasn't built in a day, but they worked on it every single day. 

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

You can have results or excuses, not both

Fall down seven times, stand up eight.

The easiest person to deceive is yourself.

Tough times never last, but tough people do.