In other words, did things like the cult of Sol Invictus (which Constantine depicted in some of his [minted currency](https://upload.wikimedia.org/wikipedia/commons/1/1f/Follis-Constantine-lyons_RIC_VI_309.jpg) or other non-Christian deities combine/fuse in some way with traditional Christian texts? Are there any Christian practices today that do not originate from actual Christian texts which we can trace to pagan origins?