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

The wise person knows that no answer is also an answer

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

We learn more from failure than we do from success.

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

No one starts out on top. You have to work your way up.

Tough times never last, but tough people do.

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. 

Hard work always pays off - it is not a question of if you will get there, but WHEN you will get there

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

A book a day keeps the stupidity away.

The greatest enemy to human potential is your comfort zone

It always seems impossible until it's done.

The master has failed more times than the beginner has even tried

I can is 100 times more important than IQ.