悲观者抱怨风向，乐观者期待风向改变，而领导者调整船帆。
A team's ceiling is often determined by the leader's cognitive boundaries.
我不是士兵，我不是战士，我只是一个讲故事的人。
"The challenge is to make the impossible look believable."
When the last fish is caught, mankind will realize money can't be eaten.
解释：了解古代不了解现在，称为愚昧无知，那么儒生就只能称作愚昧无知的人了。