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

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

The greatest glory in loving lies not in never falling, but in rising every time we fall.

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

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

Mathematics Is not a spectator sport. The only way to learn mathematics is to do mathematics.

Be strong enough to stand alone, smart enough to know when you need help, and brave enough to ask for it.

Dreams don't work unless you do.

The master has failed more times than the beginner has even tried

A hero is no braver than an ordinary man, but he is braver five minutes longer.

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

We are all maths people : step 1 - do maths and step 2 - be a person. 

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

Hard work always pays off - it is not a question of if you will get there, but WHEN you will get there

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