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.

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

Failure to prepare = preparing to fail

The greatest enemy to human potential is your comfort zone

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

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

Patience is when you’re supposed to get mad, but you choose to understand

Time is your friend, impulse is your enemy.

In order to become better than anybody else you must first become better than yourself.

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

We learn more from failure than we do from success.

Yesterday is history, tomorrow is a mystery, but today is a gift—that's why it's called 'the present

There are no shortcuts to any place worth going.

No one starts out on top. You have to work your way up.

99% of failures come from people who have the habit of making excuses.