Romans 11:19 expresses the Gentile's boast; 11:23 directly counters by affirming God can also graft the broken-off branches back.

Romans 14:4 asserts God can make a servant stand, echoing the power to graft in 11:23—both highlight God's ability to restore.

Zechariah 12:10 prophesies Israel's repentance by looking on the pierced one – the turning from unbelief that Romans 11:23 says enables regrafting.

Matthew 23:39 predicts Israel's future welcome of Jesus – the turning from unbelief that Romans 11:23 requires for regrafting.

2 Corinthians 3:16 says turning to the Lord removes the veil – exactly the condition for regrafting in Romans 11:23.

Leviticus 26:45 promises God remembers His covenant with Israel – the basis for the regrafting hope in Romans 11:23.

Deuteronomy 30:3 promises restoration after repentance – the same regrafting Romans 11:23 offers to Jews who turn.

Jeremiah 31:17 gives hope for Israel's future return – the hopeful restoration Romans 11:23 offers through turning from unbelief.