The journey of a thousand miles begins with one step. 

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

Hard work always pays off - it is not a question of if you will get there, but WHEN you will get there

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

If you want to succeed, double your failure rate.

Tomorrow is worth more than yesterday but less than today.

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

Your attitude is everything. Pick a good one.

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

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

Skills are built not born.

Hard work beats talent when talent doesn't work hard.

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

Everything that happens was once a dream.

I think, therefore I am.