People developed planes first and then took care of flight safety. If people were focused on safety first, no one would ever have built a plane.

In a world that’s changing so quickly, you’re guaranteed to fail if you don’t take any risks.

Of course, hate speech and racism have no place on Facebook.

I just think people have a lot of fiction. But, you know, I mean, the real story of Facebook is just that we’ve worked so hard for all this time. I mean, the real story is actually probably pretty boring, right? I mean, we just sat at our computers for six years and coded.

It is important for young entrepreneurs to be adequately self-aware to know what they do not know.

If you think about companies that were built in Silicon Valley, a lot of them early on were chip companies. And now the companies that are there, like Apple, are much more successful than any of the chip companies were.

All of my friends who have younger siblings who are going to college or high school – my number one piece of advice is: You should learn how to program.

I generally think if you do good things for people in the world, that comes back and you benefit from it over time.

We also have a dog. His name’s Beast. He’s a sheepdog. He’s super cute. I love him.

The ability to share whole scenes form our lives will be a valuable thing over time.

Advertising works most effectively when it’s in line with what people are already trying to do.

If Facebook were a country, it would be the 8th most populated in the world, just ahead of Japan.

Don't discount yourself, no matter what you're doing. Everyone has a unique perspective that they can bring to the world.

If you don't risk anything you risk everything

If things aren’t breaking, then you’re not moving fast enough. People learn by making mistakes.

When you want to change things, you can't please everyone. If you do please everyone, you aren't making enough progress.

If you actually do something you love it's a lot easier and takes on a lot more purpose.

Move fast, take risks, it's okay to try big things you're better off trying something and having it not work and learning from that than having not done anything at all.

The biggest risk is not taking any risk... In a world that changing really quickly, the only strategy that is guaranteed to fail is not taking risks.