work, and the gospel.584 Although some prefer to take the prep. as directive, indicating directed knowledge,585 or as having no special significance,586 it is likely that the prep. ἐπί is intensive, suggesting “full knowledge” (Bockmuehl, 67; Lightfoot, 86). It thus means full spiritual knowledge, recognition, and insight. As noted above, some see ἐν as signaling another element of the intercession, but this is unlikely. It can be locative, indicating the context of knowledge (O’Brien, 74), i.e.,