What people tell you and how they act is very, very different sometimes.

Focusing on one thing and doing it really, really well can get you very far.

If you've got an idea, start today. There's no better time than now to get going.

I promise you, a lot of it is luck. But you make your own luck by working really hard and trying lots and lots of things.

Above all else, products spread when they're useful and they're usable

I think Instagram at its best is where you feel like you're getting the most authentic version of the person on the other side of the camera.

Great products sell themselves.

Our goal is to not just be a photo-sharing app, but to be the way you share your life when you're on the go.

Every photo you take communicates something about a moment in time - a brief slice of time of where you were, who you were with, and what you were doing.

Every startup should address a real and demonstrated need in the world. If you build a solution to a problem lots of people have, it's so easy to sell your product to the world.

I really love connecting people, creating communities. As a kid, creation was something that I always loved.

Big egos have little ears.

Human beings have speculated about the relationship between inspiration and insanity for centuries.

The truth is, if anyone saw my home life, I'm pretty sure it would look like other families' around the world. There's a lot of juggling to be done.

Don't rely on the money to drive you. Allow the passion to drive you and allow people to come into your life that love you the most and (who want to) enjoy that journey with you.

All serious art is being destroyed by commerce. Most people don't want art to be disturbing. They want it to be escapist. I don't think art should be escapist. That's a waste of time.

You don't need fancy sneakers to run fast

How do you prevent attacks from becoming the very fabric of lived life in a city? Of course it's very easy to say you should be fearless and go about your daily life.

I go through a whole process with the actors first, building and creating characters, then I encourage them to sort of live in that character when they're in the screen.

If it ought to be done, then apply yourself to it strenuously

It is better to suffer wrong than to do it.