Generally, health is just so heavily regulated. It's just a painful business to be in. It's just not necessarily how I want to spend my time.

Too many rules will stifle innovation.

You always hear the phrase, money doesn't buy you happiness. But I always in the back of my mind figured a lot of money will buy you a little bit of happiness. But it's not really true. I got a new car because the old one's lease expired.

Obviously everyone wants to be successful, but I want to be looked back on as being very innovative, very trusted and ethical and ultimately making a big difference in the world.

It's important not to overstate the benefits of ideas. Quite frankly, I know it's kind of a romantic notion that you're just going to have this one brilliant idea and then everything is going to be great. But the fact is that coming up with an idea is the least important part of creating something great. It has to be the right idea and have good taste, but the execution and delivery are what's key.

We've seen a massive attack on the freedom of the web. Governments are realizing the power of this medium to organize people and they are trying to clamp down across the world, not just in places like China and North Korea; we're seeing bills in the United States, in Italy, all across the world.

You can make money without doing evil.