Failure to prepare = preparing to fail

Knowledge is of no value unless you put it into practice.

Hard work beats talent when talent doesn't work hard.

We learn more from failure than we do from success.

The temptation to quit will be the greatest when you are about to succeed

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

Life is full of opportunities. With every opportunity that is missed, another one is born.

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

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

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

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

The road to success is like a staircase. If you want to succeed, double your failure rate

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

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

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