模糊集的概念提供了一种自然的方式来处理那些不精确性源于缺乏明确定义的类别成员标准的问题。

And when you’re down in the hole， when that moment comes， it’s really okay to feel bad for a little while. Give yourself time to mourn what you think you may have lost but then here’s the key， learn from every mistake because every experience， encounter， and particularly your mistakes are there to teach you and force you into being more who you are. And then figure out what is the next right move.

2006年：贝索斯致股东信《选择新业务时，亚马逊的经验》

每一个挑战都是成长的机会。

教育是实现可持续捕捞和养殖实践的第一步。

The most radical thing you can do is to be yourself.