The most rewarding thing for me has been this affirmation for me that people are basically good and smart, and if you give them a simple tool that allows them to exhibit that behavior, they'll prove it to you every single day.

Creativity is an infinitely renewable resource - you are not going to run out of it - so don't be afraid to use it.

I think we definitely want to focus on the simplicity aspect because it's something that's built into the culture even here at Twitter. Constraints inspire creativity.

When you hand good people possibility, they do great things.

I got an idea: people like news why don't we write the news down on a piece of paper, and we'll gas them up and drive them to everyone's house. I mean, if you were going to say that now, it doesn't sound like a great idea, because there are other ways you can distribute the news.

The normal press cycle is to put a company on a pedestal and then knock it down. It's much more interesting that way.

We did Twitter, and Twitter grew so fast, and in 2006 we spun it out into Twitter, Inc.