You cannot escape the responsibility of tomorrow by evading it today

There are no bad mistakes in maths, only discoveries.

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

I fear not the man who has practiced 10,000 kicks once, but I fear the man who has practiced one kick 10,000 times.

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

Nothing is impossible if you want it badly enough. Impossible = I'm possible.

Time is your friend, impulse is your enemy.

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

Don’t be afraid to work hard and find out how good you can really be.

Skills are built not born.

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

Don’t practice until you get it right, practice until you can’t get it wrong.

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

Tough times never last, but tough people do.

Work ethic is important, because, unlike intelligence, athleticism, or charisma, or any natural attribute, it’s a choice.