How lovely on the mountains Are the feet of him who brings good news, Who announces peace And brings good news of happiness, Who announces salvation, And says to Zion, “Your God reigns!” (Isaiah 52:7)

• How beautiful . . . good news. Messengers will traverse the mountains around Jerusalem to spread the good news of the return of redeemed Israel to the land. Paul broadened this millennial reference to the preaching of the gospel in the kingdom to include spreading the gospel of God’s grace from the time of Jesus Christ on.
• happiness . . . salvation . . . “Your God reigns.” The good news pertains to the ideal conditions of Israel’s golden age, during which Christ will reign personally over his kingdom. (John MacArthur)

The removal of the Jews from Babylon to their own land again is here spoken of both as a mercy and as a duty; and the application of Isaiah 52:7 to the preaching of the gospel (by the apostle, Romans 10:15) plainly intimates that that deliverance was a type and figure of the redemption of mankind by Jesus Christ, to which what is here said of their redemption out of Babylon ought to be accommodated. (Matthew Henry)