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

The journey of a thousand miles begins with one step.

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

Success is a journey, not a destination.

We learn more from failure than we do from success.

Tough times never last, but tough people do.

Work on your weaknesses until they are your strengths and work on your strengths until they are second nature.

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.

You cannot escape the responsibility of tomorrow by evading it today

I think, therefore I am.

I can is 100 times more important than IQ.

Mathematics Is not a spectator sport. The only way to learn mathematics is to do mathematics.

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

It always seems impossible until it's done.

Your attitude is everything. Pick a good one.