Matthew Henry on Isaiah 26:1-4
To the prophecies of gospel grace very fitly is a song annexed, in which we may give God the glory and take to ourselves the comfort of that grace: In that day, the gospel day, which the day of the victories and enlargements of the Old Testament church was typical of (to some of which perhaps this has a primary reference), in that day this song shall be sung; there shall be persons to sing it, and cause and hearts to sing it; it shall be sung in the land of Judah, which was a figure of the gospel church; for the gospel covenant is said to be made with the house of Judah, Heb 8:8. Glorious things are here said of the church of God.
I. That it is strongly fortified against those that are bad (…
Read the whole note in the consoleJamieson-Fausset-Brown on Isaiah 26:3
mind . . . stayed-- (Psa 112:7-8). Jesus can create "perfect peace" within thy mind, though storms of trial rage without (Isa 57:19; Mar 4:39); as a city kept securely by a strong garrison within, though besieged without (so Phi 4:7). "Keep," literally, "guard as with a garrison." HORSLEY translates, (God's) workmanship (the Hebrew does not probably mean "mind," but "a thing formed," Eph 2:10), so constantly "supported"; or else "formed and supported (by Thee) Thou shalt preserve (it, namely, the righteous nation) in perpetual peace."
John Gill on Isaiah 26:3
Thou wilt keep him in perfect peace,.... Peace with God in Christ through his blood, in a way of believing, and as the fruit and effect of his righteousness being received by faith; this is not always felt, received, and enjoyed in the soul; yet the foundation of it always is, and is perfect; and besides, this peace is true, real, and solid; in which sense the word "perfect" is used, in opposition to a false and imaginary one; and it will end in perfect peace in heaven: moreover, the word "perfect" is not in the Hebrew text, it is there "peace, peace"; which is doubled to denote the certainty of it, the enjoyment of it, and the constancy and continuance of it; and as expressive of all sorts…
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