If we want girls to receive positive reinforcement for early acts of leadership, let's discourage bossy behavior along with banning bossy labels. That means teaching girls to engage in behaviors that earn admiration before they assert their authority.

To be a successful soldier you must know history. . . . What you must know is how man reacts. Weapons change but man who uses them changes not at all. To win battles you do not beat weapons - you beat the soul of man of the enemy man.

I think I lived those years very impersonally. It was almost as though I had erected someone outside myself who was the president's wife. I was lost somewhere deep down inside myself. That is the way I felt and worked until I left the White House.

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.

Great communication depends on two simple skills-context, which attunes a leader to the same frequency as his or her audience, and delivery, which allows a leader to phrase messages in a language the audience can understand.

A CEO's behavior has a huge impact on managers down the line.