I'm skeptical of any mission that has advertisers at its centerpiece.

Cleverness is a gift, kindness is a choice. Gifts are easy-they're given after all. Choices can be hard.

I feel like in one year it's very easy to go from Internet poster boy to Internet piсata.

I've not seen an effective manager or leader who can't spend some fraction of time down in the trenches... If they don't do that they get out of touch with reality, and their whole thought and management process becomes abstract and disconnected.

If you make customers unhappy in the physical world, they might each tell 6 friends. If you make customers unhappy on the Internet, they can each tell 6,000 friends.

Mediocre theoretical physicists make no progress. They spend all their time understanding other people's progress.

Our garage was basically science fair central.