I think, therefore I am.

The temptation to quit will be the greatest when you are about to succeed

I fear not the man who has practiced 10,000 kicks once, but I fear the man who has practiced one kick 10,000 times.

The greatest enemy to human potential is your comfort zone

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

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

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

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

If you really want something you’ll find a way. If you don’t you’ll find an excuse.

I can is 100 times more important than IQ.

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.

No one starts out on top. You have to work your way up.

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

You can be shown the path, but only you can make the first step.