“Am I as experienced, or mature, or smart as others CEOs? No probably not, but there's something, I think, very useful about having a founder as the CEO.”

“Everybody loves a deal on a restaurant or skydiving or laser-hair removal.”

“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.”

“I can't predict the future.”

“I didn't realize how hard it was to run a small business.”

“I don't get stressed out.”

“I just like to build things and do things.”

“I look at being a capitalist businessperson like riding a bike - if I go too slowly, I'll fall over. Or it's kind of like a shark: if I stop swimming, I'll just die.”

“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.”

“If I told people that I knew what I was doing, nobody would believe me, so why even try and fake it?”

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

“If you have a great business, if you're great at your craft people should be coming in there. It shouldn't be this secret.”

“I'm going to continue doing my thing and work my butt off to add value for shareholders and as long as they and the board see fit to keep me in this role, I feel enormously privileged to serve.”

“I'm just not used to talking that much about myself. It feels strange.”

“I've been very lucky, from the beginning. I've found that as long as you're fundamentally good - as long as you're not being bad to people - people give you a lot of room to be yourself, because being yourself is being honest. And that's what people want to see.”

“Life is not about money.”

“Life is too short to be a boring company.”

“Local commerce, without question, will be one of the fundamental use cases enabled by mobile devices over the next several years.”

“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.”

“Most small business owners are not particularly sophisticated business people. That's not a criticism; they're passionate about cutting hair or cooking food, and that's why they got in the business, not because they have an MBA.”

“Once you have something so deeply infused in your culture and your brand, it would be very difficult to reverse that inertia if you wanted to.”

“One of the challenges of innovation is figuring out how to wipe your mind clean about what you should be doing at any given moment, and not having a religious attachment to what's gotten you there thus far.”

“One of the things I realized... is how few success stories there are in websites or products or businesses that exist primarily for an altruistic purpose.”

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

“The popularity of Groupon has almost rendered the group-buying element of it obsolete, because we're able to deliver so many customers that the merchants are very happy with even the smallest number that we can provide.”

“There are over 2,000 direct clones of the Groupon business model. However, there's an equal amount of proof that the barriers to success are enormous. In spite of all those competitors, only a handful are remotely relevant.”