What Motivated Some Ancient Authors to Lie About Themselves?

I return now to my lecture on ancient Pseudepigraphy, the practice of writing a book falsely claiming to be someone else, a famous person.  I have been arguing that even in the ancient world this was considered to be a form of lying, the use of literary deceit, and authors who were detected doing it were outed and, if any moral judgment was passed, condemned for it.  Today we would call it “forgery,” and the ancient discussions of it were similarly negative.   Here is where I pick up in the l...