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

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

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

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

We learn more from failure than we do from success.

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

The power of reflection is the most powerful skill you’ll learn.

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

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

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

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

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

Time is your friend, impulse is your enemy.

It always seems impossible until it's done.

Success can never happen without the journey (struggle).