What underlies a lot of these attitudes is the conceptual metaphor, language is a tool.

支撑很多这些态度的是概念隐喻，语言是一种工具。

To use the very framework that he himself invented, let me refer back to this conceptual metaphor: language is a tool.

为了使用他自己发明的框架，让我回顾一下这个概念上的比喻：语言是一种工具。