All Israel shall be saved as a promise from God, rooted in His sovereign will as declared in Isaiah 45:17.
The assurance that 'all Israel shall be saved' is deeply rooted in the sovereign will and purpose of God. Isaiah 45:17 proclaims, 'But Israel shall be saved with an everlasting salvation.' This promise is not contingent on human effort or will; rather, it reflects God's unalterable decree. In Romans 9, Paul elaborates on this by stating that not all who are descended from Israel are Israel, but rather, it is those who are children of the promise that are counted as offspring (Romans 9:6-8). Therefore, true Israel encompasses all believers—both Jews and Gentiles—who have come to faith in Christ.
Furthermore, God's fidelity to His promises assures us of this salvation. The 'everlasting salvation' mentioned in Isaiah signifies a salvation that is secure and unchangeable because it is grounded in God's faithfulness and righteousness. God, being sovereign, guarantees that those whom He has chosen for salvation—His true Israel—will indeed be saved. This leads to great comfort for believers, knowing that our salvation is not based on our works but on the faithfulness of God himself.
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