The reason why literacy is required of everyone is because we don't live to 200.

为何每个人都需要文化素养？,因为我们活不到200岁,我们出于对外界的好奇。

麻省理工公开课 - 媒体、教育、市场课程节选

Suppose somebody says, "Look, it's true that we don't need to appeal to souls in order to explain why bodies move around in a nonrandom fashion.

假如有人说,听着,我承认我们不需要诉诸,灵魂来解释,为何肉体能以非随机的形式移动

耶鲁公开课 - 死亡课程节选

Every society no matter of what kind requires a kind of faith in its ruling principles in its fundamental beliefs. But belief seems to be threatened from at least two sources.

每一个社会，无论其型态为何,都需要在其统治原则及基本信念中,加入些信仰，但是信念,似乎受到至少两项来源的威胁。

耶鲁公开课 - 政治哲学导论课程节选

This is why even the best city, even Kallipolis will require, as he spends a great deal of time discussing, will require a warrior class, a class of what he calls "auxiliaries."

这就是为何就算是最优之城，就算是，Kallipolis，仍需要，如他费时讨论，都还是需要战士阶级，一个他称为，“后备的，“阶级“

耶鲁公开课 - 政治哲学导论课程节选