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

Don't be afraid to take an unfamiliar path.  Sometimes they're the ones that lead you to the best places.

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.

It is never too late to become what you might have been

Never underestimate the importance of small steps. small steps = big changes. 

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

The greatest enemy to human potential is your comfort zone

Failure is NOT your destiny. Failure is the key to success.

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

Yesterday is history, tomorrow is a mystery, but today is a gift—that's why it's called 'the present

You can pick up a mistake and carry it as a burden,  or you can set it down as use it as a stepping stone to greatness.

99% of failures come from people who have the habit of making excuses.

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.