The easiest person to deceive is yourself.

You cannot start the next chapter of your life if you keep re-reading the last one.

It is never too late to become what you might have been

You're not in competition with anyone but yourself. Outdo your past, not other people.

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

There is no talent here. There is hard work and obsession. You could be anyone if you put in the time.

Nothing is impossible if you want it badly enough. Impossible = I'm possible.

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

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

Work on your weaknesses until they are your strengths and work on your strengths until they are second nature.

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

Skills are built not born.

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

If you want to succeed, double your failure rate.

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