结社的能力反过来取决于社区分享规范和价值观的程度，以及能够将个人利益服从于更大群体利益的程度。
The ability to associate depends, in turn, on the degree to which communities share norms and values and are able to subordinate individual interests to those of larger groups.
No wise pilot, no matter how great his talent and experience, fails to use a checklist.
家不是一个地方，而是一种感觉。
The things we don’t say shape us as much as the things we do.
