It always seems impossible until it's done.

There are no bad mistakes in maths, only discoveries.

The journey of a thousand miles begins with one step. 

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

Dreams don't work unless you do.

Success is a journey, not a destination.

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.

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

A book a day keeps the stupidity away.

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

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

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

Don’t compare yourself to others. Compare yourself to the person you were yesterday.

The bad news is time flies, the good new is that you're the pilot.