Why are there so many ‘Binitarian’ Formulations in the New Testament?

Why are so many references to God in the NT binitarian (Father and Son) rather than trinitarian (Father, Son and Spirit)? I’m thinking of Paul’s greetings, Stephen’s vision, Jesus’ speeches about unity with the Father, etc. Admittedly the Spirit grows more prominent after Pentecost, but I’ve wondered about this a lot. I’ve seen anti-trinitarians use this argument, but though I can explain it away, I’m not sure I can positively account for it. Thoughts?

Continue reading “Why are there so many ‘Binitarian’ Formulations in the New Testament?”