Hard work - a two way street where you get exactly what you put in.

Everything you want is on the other side of fear

The master has failed more times than the beginner has even tried

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

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

The bad news is time flies, the good new is that you're the pilot.

I can is 100 times more important than IQ.

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

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

Shoot for the moon and even if you miss you’ll land among the stars/

Don’t confuse your path with your destination. Just because its stormy now doesn’t mean you are headed for failure.

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

Time is your friend, impulse is your enemy.

I have not failed, I've just found 10,000 ways that won't work.

I had no time is no excuse. 1 hour is 4% of your day and 1 minute is 0.34 % of your day.