We speak not only to tell other people what we think, but to tell ourselves what we think. Speech is a part of thought.

We speak not only to tell other people what we think, but to tell ourselves what we think. Speech is a part of thought.

我们说话不仅是为了告诉别人我们的想法，也是为了告诉自己我们的想法。语言是思想的一部分。

-- Oliver Sacks 奥利弗·萨克斯