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.

Your life's course will not be determined by doing the things that you are certain you can do. Those are the easy things. It will be determined by whether you try the things that are hard.

I am saying that I was able to mold those hours around the needs of my family, and that matters. And I really encourage other people at Facebook to mold hours around themselves.

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.

Real empathy is sometimes not insisting that it will be okay but acknowledging that it is not.

No industry or country can reach its full potential until women reach their full potential.

There's a lot that needs to be fixed in dating for men and women in the U.S. - there's a lot of pressure on women to do things they may not want to do. And if you start out unequal, you are not going to end up with equality.