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.

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.

Love what is simple and beautiful. These are the essentials.

and sleeping put an end to summer, 1928,

But these are small troubles, people will say. Yes, but they are drops which wear hollows in the rock.

Refuse to let the fear of rejection hold you back. Remember, rejection is never personal.

And I'm wondering where the lions are.

Leaving can sometimes be the best way to never go away.

When Oprah Winfrey wears something, it works out, too. But if someone's having "a moment," that always helps.

It's all about knowing the balance, because I like to remain somewhat of a mystery. You need to have that, you know what I mean?

If it isn't a wonderful story first, who cares how "important" it is?

He wasn't what I'd thought he was; maybe he never had been. I wasn't what I'd thought I was, either.