An idea is always a generalization, and generalization is a property of thinking. To generalize means to think.

An idea is always a generalization, and generalization is a property of thinking. To generalize means to think.

一个想法总是一个概括，概括是思维的一种属性。概括就是思考。

-- Georg Wilhelm Friedrich Hegel 格奥尔格·威廉·弗里德里希·黑格尔