忘记第一次听到这句话是在哪里了，但总觉得抽象太多是很成问题的
今天突然看到这样一句话
Abstract layer can solve many problems, except problem of having too many abstract layers.
顿时醍醐灌顶，这不就是下联“除了抽象层太多的问题之外”么！
搜了一下这句话首先abstract layer是level of indirection的误传，然后原文大概是这样两句话
Any problem in computer science can be solved with another level of indirection
和下联
All problems in computer science can be solved by another level of indirection, except of course for the problem of too many indirections
来自 Butler Lampson 和 David Wheeler
大概就是这样，好像挖到火星坟了，明天还要搬砖，就酱
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