>You can't even agree on a common concept
The original Nicene Creed was first adopted at the First Council of Nicaea in 325 and amended in 381. There are other simple methods it there's ambiguity. This is what makes someone a Christian, regardless of their denominational differences or heterodoxy.

RT: https://nicecrew.digital/objects/93888969-4d2a-4b79-b8e5-e704656c87e5