“But thou shalt call thy walls Salvation, and thy gates Praise.” (Isaiah 60:18)
Walled cities were standard measures in the time of the Old Testament to protect the inhabitants from attack by enemy forces. In this Scripture in Isaiah, the city wall represents the protective salvation of God available to those who put their trust in the Lord Jesus Christ.
Concerning city walls, there were two types of openings in them. One was a breach in the wall that allowed enemy forces to come in and wreak havoc on the city. In this respect, the apostle Paul warned us in Ephesians 4:27, “Neither give place to the devil,” and in 2 Corinthians 2:11, “Lest Satan should get an advantage of us: for we are not ignorant of his devices.” The other type of opening was a controlled gate that could be opened or closed at the will of the ruler of the city. Isaiah likens these gates as “Praise.”
It’s interesting that in regard to the New Jerusalem in Revelation 21:21, we are told, “And the twelve gates were twelve pearls.” As most people know, pearls are formed by irritation in which a foreign particle becomes lodged inside the shell of an oyster, and over time a beautiful pearl is formed by the secretion of minerals accumulating around the particle. Indeed, Acts 14:22 says, “That we must through much tribulation enter into the kingdom of God.”
Giving praise to God in the difficult trials and irritating circumstances of a sin-cursed world is one thing you can’t do in heaven but is highly needful for the sojourning believer in this present life. Hebrews 13:15 says, “By him therefore let us offer the sacrifice of praise to God continually, that is, the fruit of our lips giving thanks to his name.” And David says, “Our feet shall stand within thy gates, O Jerusalem…to give thanks unto the name of the LORD” (Psalm 122:2, 4). JPT
From Days of Praise