我唯一知道的是我一无所知。

人不是为失败而生。一个人可以被毁灭，但不能给打败。

Only if we understand, can we care. Only if we care, will we help. Only if we help, shall all be saved.

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.