Just one quick comment. The "by one Spirit" as per the KJV in 1 Cor 12:13, is a poor translation even though I personally like and read the KJV, but look at the original Greek in the interlinear, which says "in one Spirit". It does make a difference as some tend to use the KJV there to justify that somehow you receive the spirit prior to baptism, which is not the case as noted on Acts 2:38.