"The world today has 6.8 billion people... that's headed up to about 9 billion. Now if we do a really great job on new vaccines, health care, reproductive health services, we could lower that by perhap…"

"I always thought of Silicon Valley as being left of center. The fact that now there is a significant right-of-center group is a surprise to me."

"Humanity's greatest advances are not in its discoveries, but in how those discoveries are applied to reduce inequity."

"The Internet is a superhighway to nowhere."

"Compelling Apple to co-operate in the San Bernardino terror investigation is no different from asking a company to turn over bank records or phone logs."