A few thoughts from John Chrysostom
Except that he’s likely been studied robustly, I would gladly turn my Ph.D. work in History to the study of Chrysostom. I think that he, above most of the post-Constantine Fathers, speaks clearly to this generation. Well, once you translate him into English.
These are some slides from Logos Bible Software’s 300 Quotations for Preachers from the Early Church. It’s a worthwhile resource for you.