It always seems impossible until it's done.

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

A book a day keeps the stupidity away.

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

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

Good mathematics is not about how many answers you know... It is about how you behave when you don't know.

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

When you make a mistake, take another chance. Only when you choose not to do so do you fail.

Don't expect to be good at maths or understand things straight away. Be patient and persistent. The most powerful warriors are patience and time.

I can is 100 times more important than IQ.

Your attitude is everything. Pick a good one.

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

Your limitation - its only your imagination.

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

Practice like you’ve never won. Perform like you’ve never lost.