You cannot escape the responsibility of tomorrow by evading it today

The greatest enemy to human potential is your comfort zone

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

Procrastination makes easy things hard and hard things harder.

The journey of a thousand miles begins with one step. 

There are no shortcuts to any place worth going.

Just stick with it, what seems hard now will one day be your warm up.

There are no bad mistakes in maths, only discoveries.

We learn more from failure than we do from success.

You can hire a tutor but you can't hire someone to practice for you.

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

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

Skills are built not born.

The boxer is not afraid of being knocked down, he is afraid of not being able to get up again.

Tough times never last, but tough people do.