农业的进步不仅要以产量衡量，还要以长期的环境影响来衡量。

股市是一个没有三振出局的游戏。你不需要对每件事都挥棒——你可以等待你的投球。

Positive psychology is as concerned with strength as with weakness, as interested in building the best things in life as in repairing the worst.

We don't inherit the earth from our ancestors; we borrow it from our children—this is especially true in forestry.

Innovation in mining is not an option; it's a necessity for survival.

我认为冒险和不害怕失败是很重要的。