I don't pretend there aren't biological differences, but I don't believe the desire for leadership is hardwired biology, not the desire to win or excel. I believe that it's socialization, that we're socializing our daughters to nurture and our boys to lead.

If you ask men why they did a good job, they'll say, 'I'm awesome. Obviously. Why are you even asking?' If you ask women why they did a good job, what they'll say is someone helped them, they got lucky, they worked really hard.

Women need to shift form thinking "I'm not ready to do that" to thinking "I want to do that- and I'll learn by doing it.

When my mother took her turn to sit in a gown at her graduation, she thought she only had two career options: nursing and teaching. She raised me and my sister to believe that we could do anything, and we believed her.

My hope in writing 'Lean In: Women, Work, and the Will to Lead' was to change the conversation from what women can't do to what we can.

I want women to get paid more. I want to teach them to negotiate so they get paid more.

Facebook is great for women and men. We are enormously flexible. We care a lot about great opportunities for women, we push ourselves to make things as flexible as possible.