抽象的力量在于它允许我们忽略不相关的细节，专注于问题的本质方面。

对于人类曾经信仰的大多数神，我们都是无神论者。有些人只是更进一步，连一个神都不信。

There are things that happen and leave no discernible trace, are not spoken or written of, though it would be very wrong to say that subsequent events go on indifferently, all the same, as though such things had never been.

最成功的企业是那些将强劲的财务表现与对社会的积极影响相结合的企业。