Study Psalm 110:1-4 in conjunction with Hebrews 12:18-24 and Romans 11:26-32 understanding that Hebrew Zion is Greek Sion and that the “election” of Romans 11:5, 7 and 28 are God’s “seven thousand” “elect” “election” “chosen” by God during this earth age to cause more than 8 billion human beings to “to come unto the knowledge of the truth” during the “thousand years” between this earth age and the eternal age that follows. Incidentally, the “fathers” of Romans 11:28 are the 12 patriarchs of the tribe of Israel. Jesus, in John 8:48-59, spiritually explained to church leaders that Abraham saw him as Melchizedek [Greek Melchisedec]. God’s apostles are among God’s “seven thousand” “election” as documented in the Greek words that were translated into “chosen” in Acts 9:15 and John 15:16. God’s “seven thousand” “election” have and shall perform different rolls in different earth ages. Greek noun 165 aion is an earth age. Greek adjective 166 aionios describes and qualifies multiple earth ages. If this is your first exposure to biblical earth ages you should consider the probability that God is not your spiritual grammatical subject because English noun 165 aion [an earth age] and Greek adjective 166 aionios [describing and qualifying multiple earth ages] appear in the bible 199 times. Human beings tend to think of eternity as forward from today. Eternity encompasses all earth ages both past and future but God’s bible deals primarily with this earth age.