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

A book a day keeps the stupidity away.

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

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

If you fail, next time fail better.

There is no elevator to success, you have to take the stairs.

The road to success is like a staircase. If you want to succeed, double your failure rate

I think, therefore I am.

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

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

We learn more from failure than we do from success.

Dreams don't work unless you do.

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

The greatest mistake we make is living in constant fear that we will make one.

99% of failures come from people who have the habit of making excuses.