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

It is never too late to turn an unproductive day into a productive one.

You'll never change your life until you change something you do daily. The secret to success and change in found in your daily routine.

Mistakes have the power to turn you into something better than you were before.

If you fail, next time fail better.

If you want to succeed, double your failure rate.

Go as far as you can see, when you get there, you’ll be able to see further

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

Just stick with it, what seems hard now will one day be your warm up.

Hard work beats talent when talent doesn't work hard.

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

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

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

It always seems impossible until it's done.

I can is 100 times more important than IQ.