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

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.

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

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

Tough times never last, but tough people do.

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.

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

If you fail, next time fail better.

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. 

A hero is no braver than an ordinary man, but he is braver five minutes longer.

You're not in competition with anyone but yourself. Outdo your past, not other people.

Instead of finding reasons why you can't, find reasons why you can.

Failure to prepare = preparing to fail

Good mathematics is not about how many answers you know... It is about how you behave when you don't know.

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