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

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

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

Twenty years from now you will be more disappointed by the things you didn’t do than the things you did do

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

Never underestimate the importance of small steps. small steps = big changes. 

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

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

The greatest enemy to human potential is your comfort zone

There are no shortcuts to any place worth going.

99% of genius comes from hard work, the remaining 1% comes from innate talent

The power of reflection is the most powerful skill you’ll learn.

Run in the morning before your body figures out what you're doing

If you can understand just one thing thoroughly, then you will understand everything.

A book a day keeps the stupidity away.