If you fail, next time fail better.

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

Start, struggle, fail, fix and learn. Repeat.

He who has begun his task is half-way done. Have the courage to begin!

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

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

Shoot for the moon and even if you miss you’ll land among the stars/

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

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

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

You can have results or excuses, not both

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

It is never too late to turn an unproductive day into a productive one.

In order to become better than anybody else you must first become better than yourself.

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.