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。

理解代数簇的算术就是理解其中隐藏的对称性。

Wages depend on the price of necessaries required for the support of the laborer.

There is an awful lot you can tell about a person by their shoes. Where they're going. Where they've been.

人类的灵魂是一片黑暗广阔的森林，里面有野性的生命。