Be strong enough to stand alone, smart enough to know when you need help, and brave enough to ask for it.

There are no shortcuts to any place worth going.

The greatest enemy to human potential is your comfort zone

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

Don't put off until tomorrow what you can do today. If today you have no time, it means tomorrow you'll be too tired and the next day you'll be something else.

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

I think, therefore I am.

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.

Pure mathematics is in its way, the poetry of logical ideas.

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

Time is your friend, impulse is your enemy.

The greatest mistake we make is living in constant fear that we will make one.

Failure to prepare = preparing to fail

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

Dreams don't work unless you do.