Photo: OWN: Oprah Winfrey Network
"Sometimes I'm on a plane and I'm going from Afghanistan to Haiti or whatever I'm doing, and I think, 'I can't do this.This is the day that I just can't do it anymore.' Then I look down and I open a folder. I go, 'Well, that's kind of interesting, actually.' The next thing you know I've got 14 questions, and I'm refueled. I so believe in curiosity."
What's on Diane Sawyer's bookshelf