"There are absolutely no laws against innovating."

"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."

"Philanthropy is a very sleepy sector. It’s not really set up to take advantage of capitalism."

"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…"

"If you think your teacher is tough, wait until you get a boss. He doesn't have tenure."