random person said in post 25:
You still believe these chosen people still exist . . .
If by "these chosen people", you mean Jews, note that Romans 11:28 is referring to the fact that some unbelievers are the genetic descendants of Abraham (John 8:37, Acts 13:26, Romans 11:1, Acts 7:2, Acts 3:25). And some of these unbelievers are elect, and are beloved in part because of their genetic descent (Romans 11:28-29).
All the still-living, elect, non-believing genetic Israelites who don't become believers before Jesus' 2nd coming will become believers (and so will become members of the church: cf. Ephesians 4:4-6) at the 2nd coming (Romans 11:26), when they will see the returned Jesus in person (Zechariah 12:10-14). But even though all those still-living, elect, genetic Israelites will eventually become believers and be saved, they will be only a remnant of all genetic Israelites (Romans 9:27), most of whom will never be saved, just as most of humanity in general, both Jews and Gentiles, will never be saved (Matthew 7:14, Matthew 22:14).
The gospel of salvation goes to genetic Jews first (Romans 1:16, Matthew 10:5-6, Matthews 15:24, Acts 3:26), and salvation is of the Jews (John 4:22b), because salvation is of the New Covenant (Matthew 26:28; 1 Corinthians 11:25; 2 Corinthians 3:6, Hebrews 9:15), which is made only with Israel (Jeremiah 31:31-34). Gentile believers are grafted into Israel so they can partake of the salvation offered to Israel (Romans 11:17,24, Ephesians 2:12,19, Galatians 3:29, John 10:16). And all believers, no matter whether they are genetic Jews (Acts 22:3) or genetic Gentiles (Romans 16:4b), have become spiritually-circumcised Jews, if they have undergone the spiritual circumcision of water-immersion (burial) baptism into Jesus (Romans 2:29, Philippians 3:3, Colossians 2:11-13).
Just as all believers are individual branches in the vine which is Jesus (John 15:5), the only way to salvation (John 14:6, Acts 4:12), so all believers are individual branches in the good olive tree of Israel, the Jews' own tree (Romans 11:17,24, Jeremiah 11:16-17). For all Jewish believers remain part of Israel (Romans 11:1) as the natural branches in the tree of Israel (Romans 11:24). And all Gentile believers have been grafted as branches from a wild olive tree into the tree of Israel (Romans 11:17,24, Ephesians 2:12,19, Galatians 3:29), so they can partake of the salvation of the New Covenant (Matthew 26:28; 1 Corinthians 11:25; 2 Corinthians 3:6, Hebrews 9:15), which is made only with Israel (Jeremiah 31:31-34, John 4:22b). This doesn't mean a wild branch becomes a natural branch, that a Gentile believer becomes a genetic Jew, but that Gentile believers, even while remaining branches from a wild olive tree, even while remaining genetic Gentiles, are still grafted in to become part of the good olive tree of Israel (Romans 11:17,24).
random person said in post 25:
You still believe these chosen people still exist . . .
If by "these chosen people", you mean the elect, note that the elect are those individuals, whether Jews or Gentiles, who were chosen (elected) and predestinated by God before the foundation of the world (Ephesians 1:4-11; 2 Thessalonians 2:13), before they were born (Romans 9:11-24), to become initially saved by faith at some point during their lifetime (Acts 13:48b). This initial salvation is possible only because of Jesus' sacrifice (Romans 3:25-26), which was also foreordained by God before the foundation of the world (Revelation 13:8; 1 Peter 1:19-20).
Everyone on his own is wholly corrupt (Romans 3:9-12), and so it is impossible for people on their own to ever believe in Jesus and the gospel and be initially saved (1 Corinthians 15:1-4, John 20:31; 1 John 5:13) through their own will (Romans 9:16, John 1:13, John 6:65) or their own intellect (1 Corinthians 1:18 to 2:16). Unsaved people can't understand the gospel (1 Corinthians 2:14; 1 Corinthians 1:18) because only initially saved people, who have received the miraculous gift of some measure of God's own Spirit, can understand it (1 Corinthians 2:11-16).
The nonelect can't ever believe in Jesus and the gospel and be initially saved, even when they are shown the truth (John 8:42-47, John 10:26, Matthew 13:38-42), because the ability to believe in Jesus and the gospel comes only to the elect (Acts 13:48b) wholly by God's grace as a miraculous gift from God (Ephesians 2:8, John 6:65; 1 Corinthians 3:5b, Romans 12:3b, Hebrews 12:2) as the elect read (or hear) God's Word the Bible (Romans 10:17, Acts 13:48, Acts 26:22-23), just as the ability to repent comes only as a miraculous gift from God (2 Timothy 2:25, Acts 11:18). Satan blinds the minds of unbelievers so that on their own they can't repent and acknowledge the truth of God's Word (2 Corinthians 4:4; 2 Timothy 2:25-26).
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God doesn't love everyone; he hates the nonelect (Romans 9:11-22). During their lifetime, God hardens the nonelect in their sinfulness instead of showing them his mercy (Romans 9:18), because he created them to be vessels of his wrath (Romans 9:20-22, Proverbs 16:4). They were of old ordained to condemnation (Jude 1:4). They were appointed to disobedience (1 Peter 2:8, Acts 2:23). But God never forces them or anyone else to commit sin. He never even tempts anyone to commit sin (James 1:13-15). All people will be justly held accountable for their deeds (Romans 2:6-8), for neither election nor nonelection takes away the free will of people.
God created nonelect people to be vessels of his wrath instead of vessels of his mercy so he might eternally make known his wrath and power (Romans 9:21-22, Proverbs 16:4, Revelation 14:10-11). And God created elect people to be vessels of his mercy so he might eternally make known his mercy, glory, and wisdom (Romans 9:23, Ephesians 3:10, Ephesians 1:8,11).
God wants these aspects of his nature to be made known to both humans and angels (Ephesians 3:10), neither of which group yet knows experientially the full extent of God's qualities and abilities (1 Corinthians 2:9; 1 Peter 1:12b). For example, the full extent of God's wrath won't be known to humans and angels until Satan and his fallen angels and all of unsaved humanity are cast into the eternal suffering of the lake of fire and brimstone (Matthew 25:41,46, Revelation 20:10,15, Revelation 14:10-11), and saved humans and holy angels go forth from the city of New Jerusalem on the new earth to witness the suffering of the unsaved in the lake of fire (Isaiah 66:24), the eternal hell (Mark 9:45-46), and realize by seeing it, not only the extent of God's wrath, but by it, by way of contrast, the extent of God's mercy toward them (Lamentations 3:22-23). Just as "up" can't be eternally known for what it is without the eternal coexistence of "down", so God's mercy can't be eternally known for what it is without the eternal coexistence of his wrath.
random person said in post 25:
. . . you still believe the Old Covenant still exists.
No, in that, on Jesus' Cross, for both Jews and Gentiles (John 11:51-52), of all times, the letter of the Old Covenant Mosaic law was abolished (Ephesians 2:15-16, Colossians 2:14-17; 2 Corinthians 3:6-18), disannulled (Hebrews 7:18), rendered obsolete (Hebrews 8:13, Galatians 3:2-25, Galatians 4:21 to 5:8), taken away and replaced (Hebrews 10:9) by the better hope (Hebrews 7:19), the better covenant (Hebrews 7:22, Hebrews 8:6-12), the 2nd covenant (Hebrews 8:7, Hebrews 10:9), of Jesus' New Covenant law (Galatians 6:2, John 1:17, Matthew 26:28, Hebrews 12:24, Hebrews 9:15), so that the law was changed (Hebrews 7:12).
All believers, both Jews and Gentles, of all times, are delivered from the letter of the Old Covenant Mosaic law, and shouldn't keep it (Romans 7:6; 2 Corinthians 3:6-18, Galatians 2:11-21), or have any desire to keep it (Galatians 4:21 to 5:8, Galatians 3:2-25). Believers keep the spirit of the Old Covenant Mosaic law (Romans 7:6) by loving others (Galatians 5:14, Romans 13:8-10), by doing to others as they would have others do to them (Matthew 7:12).
The New Covenant is a new law (Hebrews 7:12,18,19, Hebrews 10:1-23), consisting of Jesus' New Covenant/New Testament commandments (John 14:15), such as those he gave in the Sermon on the Mount (Matthew 5:19 to 7:29) and in the epistles of Paul the apostle (1 Corinthians 14:37). These commandments exceed in righteousness the abolished letter of the Old Covenant Mosaic law (Matthew 5:20-48). So there is no reason why any believer should ever want to go back under the letter of the Old Covenant Mosaic law (Galatians 3:2 to 5:26). It was just a temporary schoolmaster (Galatians 3:24-25), a temporary shadow (Colossians 2:16-17), which God set up because of sins long after he had set up the original promise of the Abrahamic Covenant, and long before he brought that promise to fulfillment in Jesus' New Covenant (Galatians 3:16-29, Matthew 26:28).
The letter of the Old Covenant Mosaic law has been made obsolete by the New Covenant (Hebrews 8:13). For example, the letter of the Old Covenant Mosaic law required an Aaronic priesthood (Exodus 30:30), while the New Covenant replaced the Aaronic priesthood with the Melchisedechian priesthood (Hebrews 7:11-28). And the letter of the Old Covenant Mosaic law required animal sacrifices for sin (e.g. Leviticus 23:19), while the New Covenant replaced these with the one-time sacrifice of Jesus (Hebrews 10).
The letter of the Old Covenant Mosaic law is the Hagar to the New Covenant's Sarah (Galatians 4:22-25), so that those people, whether Jews or Gentiles, who try to keep the letter of the Old Covenant Mosaic law are like Ishmael, while those people, whether Jews or Gentiles, who keep the New Covenant are like Isaac (Galatians 4:22-31).
The letter of the Old Covenant Mosaic law (including the letter of the 10 commandments) written and engraven in stones (2 Corinthians 3:7, Deuteronomy 4:13, Deuteronomy 27:8) was the ministration of death and condemnation (2 Corinthians 3:7,9). For example, see Leviticus 20:10, Exodus 31:14, and Numbers 15:32-36; and contrast these with the New Covenant's John 8:4-11 and Matthew 12:1-8.
The letter of the Old Covenant Mosaic law has been done away (2 Corinthians 3:11), abolished (2 Corinthians 3:13b). But it is still able to spiritually blind some people as with a veil from beholding Jesus (2 Corinthians 3:14-16), while the New Covenant is the ministration of the spirit and righteousness (2 Corinthians 3:6,8,9b) which remains (2 Corinthians 3:11b), and which permits believers to remove the veil and to behold Jesus (2 Corinthians 3:16-18, Mark 15:38, Hebrews 7:18-19, Ephesians 2:15-18, Colossians 2:14-17).
But a mistaken spirit of Pharisaism can still sometimes deceive even Christians into thinking they must keep the letter of the Old Covenant Mosaic law in order to be saved (Acts 15:1,5), or in order to become perfect (Galatians 3:2 to 5:26). This is a false, cursed gospel (Galatians 1:6-9). For if any believers are keeping any part of the letter of the Old Covenant Mosaic law thinking they must do so in order to be saved, or in order to become perfect, then Jesus will profit them nothing; they have fallen from grace (Galatians 5:2-8).
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random person said in post 27:
Circumcision, Jew, and Gentile are no longer valid terms under the New Covenant.
Regarding circumcision, whether or not someone is physically circumcised doesn't matter to Christians (Colossians 3:11, Galatians 6:15, Galatians 5:6). Instead, the only circumcision that matters is the spiritual circumcision (Philippians 3:3) of water-immersion (burial) baptism into Christ (Colossians 2:11-13).
If Christians get physically circumcised thinking they have to (Acts 15:1,5) because it was commanded to Abraham (Genesis 17:10) and was part of the letter of the Old Covenant Mosaic law (Leviticus 12:3), then Christ will profit them nothing (Galatians 5:2). They have fallen from grace (Galatians 5:4) and placed themselves under the curse of the letter of the Old Covenant Mosaic law (Galatians 3:10).
Under the letter of the Old Covenant Mosaic law, physical circumcision was required for a male, whether Jew or Gentile, whether infant or adult, to become part of Israel (Exodus 12:48). But under the New Covenant, physical circumcision isn't required for a Jew or Gentile to become part of Israel. All that is required is faith in Jesus (Romans 11:17,24, Ephesians 2:12,19, Galatians 3:29). This is one of the ways that the New Covenant is not according to the Old Covenant (Jeremiah 31:32). The letter of the entire Old Covenant Mosaic law was abolished on the Cross (Ephesians 2:15-16, Colossians 2:14-17, Romans 7:6).
Also, unlike the abolished physical circumcision of the Old Covenant Mosaic law, the spiritual circumcision of the New Covenant of Jesus (Colossians 2:11-13, Philippians 3:3, Romans 2:29) makes no distinction between males and females (Galatians 3:28-29).
Also, a non-Christian, genetic Jew, even though he may be physically circumcised, is spiritually uncircumcised (Acts 7:51), and so spiritually isn't a Jew (Romans 2:28-29, Revelation 2:9b, Revelation 3:9). He has been broken off in spirit from the good olive tree of Israel, the genetic Jews' own tree (Romans 11:20,24).
random person said in post 27:
Circumcision, Jew, and Gentile are no longer valid terms under the New Covenant.
Regarding "Jew, and Gentile", are you thinking of Galatians 3:28?:
"There is neither Jew nor Greek, there is neither bond nor free, there is neither male nor female: for ye are all one in Christ Jesus" (Galatians 3:28).
If so, note that in Galatians 3:28, Paul can't possibly mean there are no believers who are Jews or Gentiles in any sense, because elsewhere he shows, for example, that believers remain either genetic Jews (Acts 22:3) or genetic Gentiles (Romans 16:4b). Similarly, Galatians 3:28 doesn't mean there are no believers who are males or females, for clearly we are still males or females with regard to our genitals, and with regard to other matters (1 Timothy 2:11-12; 1 Corinthians 14:34-37; 1 Corinthians 11:4-16; 1 Peter 3:7a).
So Galatians 3:28 can only mean there is no distinction between believing Jews and Gentiles, or between believing males and females, with regard to them being "one in Christ" (Galatians 3:28b), in the sense of them being one body in Christ (Ephesians 4:4-6), without distinction with regard to their salvation (Romans 10:12; 1 Corinthians 12:13; 1 Peter 3:7b).