头脑需要书才能保持敏锐,就像剑需要磨刀石。
A mind needs books as a sword needs a whetstone if it is to keep its edge.
Every man's own satisfaction is the centre of all that he looks at.
唯有浅薄的人需要用数年挣脱一种情感。一个人当得了自己的主人,便可轻易终结哀伤,轻易制造快乐。