"An AIDS-free generation would mean that virtually no child is born with HIV; that, as those children grow up, their risk of becoming infected is far lower than it is today; and that those who become infected can access treatment to help prevent them from developing AIDS and from passing the virus on to others."

"You can't rush the science, but when the science points you in the right direction, then you can start rushing."

"Disagreements are one of the fundamental positive aspects of science."

"One of the by-products of being a perfectionist and constantly trying to improve myself are sobering feelings of low-grade anxiety and a nagging sense of inadequacy. But this is not anxiety without a purpose. No, this anxiety keeps me humble. It creates a healthy tension that serves as the catalyst that drives me to fulfill my limited potential."

"It is a essential truth that he who understands his own mind is never bewildered by the complexities of the world."

"But now I feel off the grid. I feel that I am not part of the culture. And because I don't have a car I don't really go anywhere to buy things. In fact, I have been in a slow process of selling and giving away everything I own."

"It is a profound truth that the test of character in leadership is how one behaves in moments of unvarnished power — an essential principle for the reflective life."

"We learned that economic growth and environmental protection can and should go hand in hand."