The moment you start to think about what you're going to do if you lose, you have lost.

生命的复杂性不是理解的障碍，而是通向更深层次洞察的门户。

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.

真相很少是纯粹的，也从不简单。

林业的真正领导力意味着超越利润，首先考虑地球。