Fortune does favor the bold and you'll never know what you're capable of if you don't try.

We [Facebook] really believe in enabling people to be their authentic selves on the web, and enabling people to communicate directly with each other in a very personal way.

I'm not pretending I can give advice to every single person or every single couple for every situation; I'm making the point that we are not going to get to equality in the workforce before we get to equality in the home. Not going to happen.

The best way to make room for both life and career is to make choices deliberately-to set limits and stick to them.

What I tell everyone, and I really do for myself is, I have a long-run dream, which is I want to work on stuff that I think matters.

You know, there has never been a 24-hour period in five years when I have not responded to e-mail at Facebook. I am not saying it's easy. I work long hours.

After my husband, Dave, died, I called my friend Adam, a psychologist who studies how people find meaning in our lives, and I asked him what, if anything, I could do to help myself and my kids get through this. We started talking about resilience, then reading about it, then talking to other people who had gotten through grief and other huge challenges. In time, those conversations and that research helped me heal.