en_tn_condensed/rom/09/14.md

What then will we say?

Paul is using the question to get the attention of his readers. (See: rc://en/ta/man/translate/figs-rquestion)

May it never be

"That is not possible!" or "Certainly not!" This expression strongly denies that this could happen. You may have a similar expression in your language that you could use here.