What the Church Should Know and Do
If only we could get salvation doctrine correct among ourselves and then move on to separation - treating Worldlings circumspectly with gentleness and wisdom and treating Christians with teaching, rebukes, exhortations, encouragements, reproofs, shunning (not as enemies, but as siblings in Christ), then we would not be confused about who is a Christian and what we should do. Love the siblings in everything and do loving action to your enemies, but know who your enemies are, according to the Scriptures, and don't be their friends, which is enmity with God (according to what God told us by that Special Book He wrote to us). God is knowable by His Special Spirit and by His Holy Book, but the World obfuscates Him, His words, His desires and His actions with pseudochrist look-alikes. Don't believe them, believe Him, comparing preaching with Scripture like the noble Bereans did. Believing 1 Corinthians 15:3b-8 results in doing Romans 10:9a, 10b, 13 for salvation and Romans 10:9b, 10...