Most of the time, the things that really change the world exist for something fundamentally selfish and then the world-changing ends up being a side-effect of that.

Sainthood emerges when you can listen to someone's tale of woe and not respond with a description of your own.

I think if there's any difference between me and a traditional CEO, it's that I've been unwilling to change myself or shape my personality around what's expected.

Groupon as a company - it's built into the business model - is about surprise. A new deal that surprises you every day. We've carried that over to our brand, in the writing and the marketing that we do, and in the internal corporate culture.

We can't be afraid to be weird.

If you don't have those moments where you go too far, then you're probably not going far enough.

One thing I've come to learn about myself is that I have to keep going.