Fear is at the root of so many of the barriers that women face. Fear of not being liked. Fear of making the wrong choice. Fear of drawing negative attention. Fear of overreaching. Fear of being judged. Fear of failure. And the holy trinity of fear: the fear of being a bad mother/wife/daughter.

At Facebook, we try to be a strengths-based organization, which means we try to make jobs fit around people rather than make people fit around jobs. We focus on what people's natural strengths are and spend our management time trying to find ways for them to use those strengths every day.

The things that hold women back, hold them back from sitting at the boardroom table and they hold women back from speaking at the PTA meeting.

Careers are a jungle gym, not a ladder.

There is no such thing as work-life balance. There is work, there is life, and there is no balance.

Don't let your fears overwhelm your desire. Let the barriers you face-and there will be barriers-be external, not internal. Fortune does favor the bold, and I promise that you will never know what you're capable of unless you try.

When companies offer support and assistance for personal and family hardships, their employees become more loyal and more productive.