Whenever you find yourself doubting how far you can go, just remember how far you have come.

There is no elevator to success, you have to take the stairs.

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

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

Everything that happens was once a dream.

Everything you want is on the other side of fear

You'll never change your life until you change something you do daily. The secret to success and change in found in your daily routine.

We learn more from failure than we do from success.

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

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

In order to become better than anybody else you must first become better than yourself.

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

No one starts out on top. You have to work your way up.

There is no talent here. There is hard work and obsession. You could be anyone if you put in the time.

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