For example, what genre is Ma Shuo's theory?

It is said that (argumentative writing) is an ancient argumentative writing style, which mostly expresses the author's feelings about a thing, a thing or a phenomenon. The style of writing is eclectic, free and lively, ups and downs. The length is generally not long, which is quite similar to modern essays.

Saying is a style, which belongs to prose in ancient times and is equivalent to modern argumentative writing.