I think, therefore I am.

Instead of finding reasons why you can't, find reasons why you can.

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

Work like you don't need the money, dance like nobody's watching and love like you've never been hurt. 

Skills are built not born.

Success is a journey, not a destination.

There are no bad mistakes in maths, only discoveries.

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

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

Each day is an opportunity to improve. Aim to be that little bit better than yesterday and better tomorrow than today.

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

If you can understand just one thing thoroughly, then you will understand everything.

Time is your friend, impulse is your enemy.

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

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