Irenaeus primarily spent his life doing two things: taking care of his people at Lyons, France, and refuting Gnosticism and Marcionism.
Martin of Tours provides one example for Christians to not capitulate to the culture, nor hide from it.
Here's an interesting thought that wonderfully displays the providence of God: For the continued existence of the Jewish state was both graciously and naturally a protection to Christianity, and hence a restraint on the revelation of the persecuting power. Graciously, it was God’s plan to develop Christianity under the protection of Judaism for a short…
http://instagram.com/p/xicUnfsl41/ -Jonathan Edwards