You gotta be both flexible and persistent.

Democracy is always frustrating.

People who take risk intelligently can usually actually make a lot more progress than people who don't.

You jump off a cliff and you assemble an airplane on the way down.

[Hillary Clinton] is also smart, she talks to people, she hears, and she says, "OK, I need to update, we need some much bigger changes."

Social networks do best when they tap into one of the seven deadly sins. Facebook is ego. Zynga is sloth. LinkedIn is greed.

Part of what being a great founder is, is being both able to hold the belief, to think about where it is you want to be doing and want to be going, but also be smart enough that you are essentially listening to criticism, negative feedback, competitive entries.