The world has the technology - either available or well advanced in the research pipeline - to feed on a sustainable basis a population of 10 billion people.

I think track records are very important. If you start trying to have a perfect one in a simple thing like honesty, you're well on your way to success in this world.

"Memory is a form of resistance."

Le doute est le commencement de la sagesse.

你唯一的限制就是你相信的限制。

可持续性不是成本，而是对我们共同未来的投资。