There are no bad mistakes in maths, only discoveries.

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

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

We all make mistakes. What matters is how we choose to move forwards from them.

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

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

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

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

It doesn’t matter where you start, it matters how you end

Do what you have always done and you will always be what you have always been

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

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

Your attitude is everything. Pick a good one.

Hard work - a two way street where you get exactly what you put in.

Success is a journey, not a destination.