There is great wisdom in being able to realise that you don’t understand something before it goes too far.

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

You can pick up a mistake and carry it as a burden,  or you can set it down as use it as a stepping stone to greatness.

He who has begun his task is half-way done. Have the courage to begin!

Don’t compare yourself to others. Compare yourself to the person you were yesterday.

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

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

Failure is not the opposite of success, it is part of the success.

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. 

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

The bad news is time flies, the good new is that you're the pilot.

You cannot escape the responsibility of tomorrow by evading it today

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

No matter how bad it gets, you’re still way ahead of those who haven’t even started.

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.