When a Oneness advocate on a Facebook group asked for trinitarians to explain how Jesus could be truly God, but be distinct from His Father, I replied with an exegesis of John 17:5. This verse clearly distinguishes the Son from the Father in Person but shows that they are coequal and coeternal. Here is my explanation of the verse: And now, O Father, glorify thou me with thine own self with the glory which I had with thee before the world was. — John 17:5 “O Father” – This is in the vocative case, grammatically signifying that one person is addressing another person. In the Koine period the vocative case was passing from common use and you see nominatives in