[he can sort of tell this is something they've explained before, and even though they're not annoyed, it doesn't seem like something they're very interested in. which is understandable and relatable, really, because cassian hates talking about himself.]

Gods do not have much meaning at all in my universe either. We have the Force, but I have never put much stock in it either.

[he gives a little shrug.] You can always come up with a new name, if you prefer. People rename themselves all the time.