Rituals, even unhappy ones, provide a measure of comfort. Like a superstitious ballplayer who will only use certain bats, my depression rituals have become a fixed, normal part of my life. ... I need rituals to prevent unnecessarily rocking my already shaky emotional boat.

For every new feature we add, we take an old one out. A lot of big sites don’t do that, and it’s a problem. Twitter started as a beautifully simple product, but it’s now going the same route as Facebook. The drive to innovate can overencumber and destroy a product.

I'm very antischedule. Except for board meetings, I don't really schedule things or keep a calendar. I think appointments are caustic to creativity.

For every new feature we add, we take an old one out. A lot of big sites don't do that, and it's a problem.

Find a space where you can be creative and a place where you are open for free thinking, you want to enjoy what you are doing and do what you are best at.

Entrepreneur is someone who has a vision for something and a want to create.

I'm always so surprised when people fill their homes up with stuff.