We are the New Testament new covenant ekklesia not the Old. Jesus was still talking to Old Covenant Jews in most of His speeches and it's paramount that we "rightly divide"..
A point that has absolutely zero to do with the fact that the NT writers habitually quote the OT. You are being your usual idiotic self here.
Jesus was still talking to Old Covenant Jews in most of His speeches
And on that account you conclude that nothing Jesus says whenever speaking to Jews has applicability to us today? Of all the nonsensical things you've said, this reaches a new level of idiocy. Under this approach you'd have to gut the majority of the Gospels as irrelevant today. Most audiences were Jewish. The Apostles (like Jesus) were "old covenant Jews." The Gentiles don't come much into view until Pentecost.
it's paramount that we "rightly divide"
We're talking Scriptural analysis, not arithmetic.