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

We learn more from failure than we do from success.

The wise person knows that no answer is also an answer

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

Hope might be a good breakfast, but it makes a very poor dinner

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

Work ethic is important, because, unlike intelligence, athleticism, or charisma, or any natural attribute, it’s a choice.

Everything you want is on the other side of fear

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.

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

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

When you make a mistake, take another chance. Only when you choose not to do so do you fail.

99% of genius comes from hard work, the remaining 1% comes from innate talent

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

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