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

Your limitation - its only your imagination.

Yesterday is history, tomorrow is a mystery, but today is a gift—that's why it's called 'the present

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

Your attitude is everything. Pick a good one.

The easiest person to deceive is yourself.

Whenever you find yourself doubting how far you can go, just remember how far you have come.

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

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

Patience is when you’re supposed to get mad, but you choose to understand

Do what you have always done and you will always be what you have always been

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

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

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.

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