Procrastination is the thief of time and the enemy of success.

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

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

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

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

The temptation to quit will be the greatest when you are about to succeed

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

A hero is no braver than an ordinary man, but he is braver five minutes longer.

When you make a mistake, take another chance. Only when you choose not to do so do you fail.

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

Don't fear failure, fear being in the same exact same place next year as you are now.

Work like you don't need the money, dance like nobody's watching and love like you've never been hurt. 

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

Do Not Be Afraid To Make Mistakes. Each mistake teaches us something.

99% of genius comes from hard work, the remaining 1% comes from innate talent