I spent most of my career, including my time at McKinsey, never acknowledging that I was a woman. And, you know, fast forward - I'm 43 now - fitting in is not helping us.

But the upside of painful knowledge is so much greater than the downside of blissful ignorance.

So please ask yourself: What would I do if I weren't afraid? And then go do it.

Facebook is a really exciting place trying to do something really important that I really believe in. And it matters.

We need to stop telling [women], "Get a mentor and you will excel." Instead, we need to tell them, "Excel and you will get a mentor.

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

I'm a feminist because I believe in women... it's a heavy word, feminism, but it's not one I think we should run from. I'm proud to be a feminist.