Don't call me, I'll call you... I'm out.

Television is the most interesting hobby I've ever had.

I never, ever, ever let emotion get in the way of an investment.

I actually think being an entrepreneur is a state of mind. If you're going to be an entrepreneur, my thesis is that you have to sacrifice everything for some period in your life to be successful. You have to be myopic and completely focused and unbalanced in every way. Once you've achieved success, you're free to do whatever you like.

What are the most important qualities that make a successful entrepreneur? The ability to communicate. The ability to express your idea with certainty. That's how you become a leader-even if you are unsure, your ability to explain your vision and your direction is the attribute you need the most. ... Articulate your idea in 90 seconds or less.

We need physical exercise to prepare our brain for long periods of concentration

If you want a friend, buy a dog.