抽象的目的不是模糊，而是创建一个新的语义层次，在这个层次上可以绝对精确。

你不能害怕失败，这是成功的唯一途径。

Data is the new oil. It's valuable, but if unrefined it cannot really be used. It has to be changed into gas, plastic, chemicals, etc to create a valuable entity that drives profitable activity; so must data be broken down, analyzed for it to have value.

在和平时期，儿子埋葬父亲。在战争中，父亲埋葬儿子。