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

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

Do Not Be Afraid To Make Mistakes. Each mistake teaches us something.

Success is not final, failure is not fatal.  It is the courage to continue that counts.

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

Nobody said it’d be easy, they just promised it would be worth it.

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.

Mathematics Is not a spectator sport. The only way to learn mathematics is to do mathematics.

Don't be afraid to take an unfamiliar path.  Sometimes they're the ones that lead you to the best places.

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

Mistakes have the power to turn you into something better than you were before.

You'll never change your life until you change something you do daily. The secret to success and change in found in your daily routine.

The boxer is not afraid of being knocked down, he is afraid of not being able to get up again.

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