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

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.

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

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.

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.

Conventionality is not morality. Self-righteousness is not religion. To attack the first is not to assail the last.

No problem can be solved from the same level of consciousness that created it.

Don't do piracy. Piracy is a crime.

But no matter how many fish in the sea, itd be so empty without me.

Maybe the universe will get tired of me.

I used to write poems more when I was younger, but I haven't in a long time. I just write ideas and paragraphs and go from there.

Don't let the bastards grind you down.

The great wisdom of life is that we can be masters of the things that try to enslave us.

Alcohol is a big part of high school. I went through my little phase. I don't know one high schooler that doesn't.

Business demands faith, compels earnestness, requires courage, is honestly selfish, is penalized for mistakes, and is the essence of life.