There is a long history of founders returning to companies and doing great things. Founders are able to set the vision for their companies with an authority no one else can.

The most significant barrier to female leadership is the actual lack of females in leadership. The best advice I can give to women is to go out and start something, ideally their own businesses. If you can't see a path for leadership within your own company, go blaze a trail of your own.

We have learned how to develop five-minute and even one-minute managers. But we would do better to ask ourselves what it takes to be an executive who helps build a better future.

We must use all the tools of American power in resolving disputes, including diplomacy. And we must have sufficient congressional debate and oversight before ever putting another U.S. solider in harm's way.

Trust is knowing that when a team member does push you, they're doing it because they care about the team.

Systematic decision review also shows executives their own weaknesses, particularly the areas in which they are simply incompetent. In these areas, smart executives don't make decisions or take actions. They delegate.