Ever heard of Arius? Do you know that his heresy was not just a little blip; but was embraced very widely and for many years? Do you know what Athanasius contra mundum means?
Work up a little humility and look at how the life giving doctrines of Christianity were actually preserved and transmitted.
HINT: It was not "Read your Bible."
It could mean “please pass the cornbread” for all I care. Unless it means “FOR OUR SINS”, it’s useless, too.