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

It is never too late to become what you might have been

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

Nothing is impossible if you want it badly enough. Impossible = I'm possible.

We learn more from failure than we do from success.

Don't put off until tomorrow what you can do today. If today you have no time, it means tomorrow you'll be too tired and the next day you'll be something else.

Dreams don't work unless you do.

Start, struggle, fail, fix and learn. Repeat.

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.

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

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

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

Your limitation - its only your imagination.

Success is a journey, not a destination.

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