I'm obsessed with the idea of social TV.

Foursquare makes maps special. We take maps that are blank and put dots on them to help you figure out what to do.

If there's something you want to build, but the tech isn't there yet, just find the closest possible way to make it happen.

Don't let people tell you your ideas won't work.

Stop sketching and start building.

Don't let people tell you your ideas won't work. If you're passionate about an idea that's stuck in your head, find a way to build it so you can prove to yourself that it doesn't work.

Forget about where you want to be and go out and build stuff. Dodgeball came from being bored at work... things happen because you make them happen. Stop sketching, and start building.

People can copy what you've done, but they can't copy what you still want to do.

Build something that fixes something people are having a problem with, and you're lined up for great things.

What we're starting to see is that the best apps tend to be the simplest, the easiest to use and the fastest to use.

Building a product is easy. But building the company that builds the product is hard.

There are so many people. It is easy to forget how full the world is of people, full to bursting, and each of them imaginable and consistently misimagined.

I spend most of my time at the ranch with my family, and enjoy life - watch the sun come up, watch it go down, thank God for another day, and just be happy.

Don't be in a hurry to change one evil for another.

I don't think everybody wanted to be on [new Star Trek series] . I certainly didn't.

Children are the same the world over. They may have a different culture, but an ache or a laugh is universal.

At the end of the day, we're defined by our predicament, not by the sides of town.

Between the shores of the oceans and the summit of the highest mountain is a secret route that you must absolutely take before being one with the sons of the Earth.

And one of the elders of the city , said , speak to us of good and evil. And he answered : You are good in countless ways , and you are not evil when you are not good .

The skyline is etched in my veins. You can never put that out, no matter how hard it rains.

The problem for a Paracelsian physician like me is that I see diseases as disguises in which people present me with their wretchedness.