The future of forestry is circular, not linear.

The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function.

国家一定要有直言进谏的臣子，上级必须有敢于提出反对意见的下级，议论国政的人不停止，各种不同政见的人相互辩论，才可以长久保存国家，使国家兴盛强大。也就是说言论自由是民众的基本权利，每个人都可以提出不同的政见，民众有平等参与政治的权利。

Experience is overrated. When hiring， hire for aptitude， train for skills. Most really amazing or great things are done by people doing them for the first time.

情绪就像计算机的输出设备 - 它们激发行动来解决特定的适应性问题。