"The greatest discovery of my generation is that human beings can alter their lives by altering their attitudes of mind."

"I always go back to Harry Truman: Should we drop an atomic bomb to save 100,000 lives? That's a hell of a decision to make. Did he make that decision by himself? No, he had advisers."

"No matter what you've done for yourself or for humanity, if you can't look back on having given love and attention to your own family, what have you really accomplished?"

"Motivation is everything. You can do the work of two people, but you can't be two people. Instead, you have to inspire the next guy down the line and get him to inspire his people."

"It's no accident many accuse me of conducting public affairs with my heart instead of my head. Well, what if I do? Those who don't know how to weep with their whole heart don't know how to laugh either."

"My entry into the environmental arena was through the issue that so dramatically - and destructively - demonstrates the link between science and social action: nuclear weapons."

"Getting movies developed doesn't do me any good as a producer. It only does me good to get movies made."

"I think the biggest challenge for Somalia has been the sense that it is a hopeless case of incomprehensible internal conflicts and there is nothing we can do."