Paul continues to answer rhetorical questions to emphasize that each point he is making is certainly true. (See: [[rc://en/ta/man/translate/figs-rquestion]])
AT: "Of course that is not true!" or "Certainly not!" (UDB). This expression give the strongest possible negative answer to the preceding rhetorical question. You may want have a similar expression in your language that you could use here. (See: [[rc://en/ta/man/translate/figs-rquestion]])