I think with every successful consumer Internet business, there will be lawyers that are interested in going after your company, especially when they think that there's a financial incentive.

Starting a company, your success is going to be very dependent on how you adapt. You're going to make decisions, you're going to make bets; most of them are going to turn out to be wrong.

On mobile, what are the core apps? It's basically messaging, mapping and review data.

The entrepreneurs that really make it are the ones that start with an idea but are ready to change it at a moment's notice.

You have to be very nimble and very open minded. Your success is going to be very dependent on how your adapt.

Everyone is panicked about the transition to mobile. I don't lose any sleep whatsoever.

Yelp is in a very nice spot: local data, and especially review data, is one of the killer apps on mobile phones.

Consumers are empowered by Yelp and tools like it: before, when they had a bad experience, they didn't have much recourse. They could fume, but often nothing else other than tell their friends.

Maintaining the trust of the consumer is critical to our business

In the very beginning, Yelp started as a service where we really didn't think people would write reviews for fun. The whole concept of user-generated content was pretty nascent in 2004.

There are so many businesses that are succeeding on Yelp that don't pay us a dollar, and we're really excited about that.

We are not slaves of the past, nor servants of the present, but masters of the future.

One of the greatest lesson is humility. Humility is like oxygen to the soul. You won’t get too far without it!

In the world of mulesThere are no rules.

Life is not having been told that the man has just waxed the floor.

There is a wonderful continuity of being, the continuous awareness of self, a sense of yourself continuing in time and space.

You've got to make your mark. I just want some hank-panky. You never forget who you are sexy vs Skanky.

At one point, the old school club retires and you're next up to bat, but if you stop before your time, you will see someone else live your dream.

It was around 1985 before I heard the news of President Kennedy's assassination.

I felt better being in the background. That's the way I like it.

Global stability - economic as well as political - is at risk.