I think, therefore I am.

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

We learn more from failure than we do from success.

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

Procrastination makes easy things hard and hard things harder.

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

There are no bad mistakes in maths, only discoveries.

The gift of imperfection - let go of who you think you're supposed to be and embrace who you are.

Fall down seven times, stand up eight.

You can be shown the path, but only you can make the first step.

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

We all have two lives. The second begins when we realise we only have one. 

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

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

Don't expect to be good at maths or understand things straight away. Be patient and persistent. Rome wasn't built in a day, but they worked on it every single day.