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.

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.

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

Instagram was created because there was no single place dedicated to giving your mobile photos a place to live and to be seen.

A psychiatrist is the God of our age. But they cost money.

It's hard to unlock a door with a condom, " Emma shot back.His brilliant smile stole her heart. "Honey, you'd be surprised how many doors those babies have unlocked.

It's almost never the kind of person you are but the kind of job you do decides how much you get paid.

I feel something so right, doing the wrong thing.

So close that your hand upon my chest is mine, so close that your eyes close with my sleep.

I don't treat the band like I'm above them or that they're a hired hand for me. We've never worked that way. So I'm a team player. I would be very uncomfortable having to do this alone.

Death cancels our engagements, but it does not affect the consequences of our acts in life.

It was an odd thing to do, to stand in a street in the hope of seeing someone who hardly knew him, but he did not want to move.

I don't use Twitter for bad.

I'm a pantser. I try to plot. I always try to plot. I end up with a few paragraphs that basically outline the gist of the story.But I never get much beyond that. I get too impatient to write.