Mistakes have the power to turn you into something better than you were before.

Success is not final, failure is not fatal.  It is the courage to continue that counts.

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

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

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

Never underestimate the importance of small steps. small steps = big changes. 

There is no talent here. There is hard work and obsession. You could be anyone if you put in the time.

Life is full of opportunities. With every opportunity that is missed, another one is born.

Be strong enough to stand alone, smart enough to know when you need help, and brave enough to ask for it.

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

A book a day keeps the stupidity away.

You can have results or excuses, not both

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

I think, therefore I am.

The journey of a thousand miles begins with one step.