Can People Knowingly Do Wrong? Epictetus' View

When a person does something morally wrong or bad, does that person know what he or she is doing is wrong or bad?  This is one of those interesting questions in ethics and moral theory that seems very simple to ask and then turns out to be complicated to answer - at least if one wants to answer it well.  Easy, one-sided, simplistic answers are always an option, but nearly always turn out to be off-base and get in the way of doing the productive thinking that working out a more adequ...