It is futile to demand an a priori proof of the existence of objects which are not immediately ‘given’.
要求对并非直接被给予的对象提供先天证明，是徒劳的。
我们无法不了解历史。
你越爱自己，就越不能容忍废话。
不要追逐金钱，让自己处于金钱追逐你的位置。
It is to the credit of human nature, that, except where its selfishness is brought into play, it loves more readily than it hates.
