The interplay between syntax and semantics is central to the study of formal languages.

If you're horrible to me, I'm going to write a song about it.

在科学中，最危险的一句话是“我们一直都是这样做的。”

"The world is a mirror, and the mirror is a shadow."

人很容易被自己的利益驱使，仅仅让他看到正确是不够的，还必须让他感受到它。