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

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

If you fail, next time fail better.

Work like you don't need the money, dance like nobody's watching and love like you've never been hurt. 

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

Never let a dark chapter make you forget that better days are ahead of you. Your story is far from over.

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

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

It always seems impossible until it's done.

You can hire a tutor but you can't hire someone to practice for you.

Don’t hang your targets after you’re done shooting.

The greatest glory in loving lies not in never falling, but in rising every time we fall.

The greatest enemy to human potential is your comfort zone

Pure mathematics is in its way, the poetry of logical ideas.

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