John Underkoffler: “Technology is capable of expressing generosity. And we need to demand that.”
Sergey Brin: Our focus has really been what’s best for the Chinese people.
George Church: “We’re not making life from scratch; we’re using all the tricks an engineer can use to leverage natural processes.”
Dave Levin and Mike Feinberg of KIPP: “Teaching is the world’s finest calling.”
Bill Gates: “If I only had only one wish for the next 50 years, it’d be to invent the thing that halves the cost of CO2.”
(Photos: TED / James Duncan Davidson)