Your attitude is everything. Pick a good one.

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

The journey of a thousand miles begins with one step.

Success can never happen without the journey (struggle).

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

Everything you want is on the other side of fear

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

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

Procrastination is the thief of time and the enemy of success.

I can is 100 times more important than IQ.

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

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

No matter how bad it gets, you’re still way ahead of those who haven’t even started.

Don’t be afraid to work hard and find out how good you can really be.

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