童话故事比真实更真实：不是因为它们告诉我们龙存在，而是因为它们告诉我们龙是可以被打败的。

学会怎么打称人结（又叫“撑人结”，不会越拉越小的结）。而且要摸黑练习、单手练习。在今后的日子里，你根本想不到它有多有用。

A sound mind in a sound body, is a short, but full description of a happy state in this World: he that has these two, has little more to wish for; and he that wants either of them, will be little the better for anything else. Men’s happiness or misery is most part of their own making. He, whose mind directs not wisely, will never take the right way; and he, whose body is crazy and feeble, will never be able to advance in it.

Technology should serve the forest, not exploit it.《Sustainable by Design》

Organic farming is not a step back, but a leap forward in quality and responsibility.

管理的主要目标应该是确保雇主的最大繁荣，同时确保每位员工的最大繁荣。