For the mountains may depart and the hills be removed, but my steadfast love shall not depart from you, and my covenant of peace shall not be removed,” says the LORD, who has compassion on you.
The seasonable succour and relief which God sent to his captives in Babylon, when they had a discharge from their bondage there, are here foretold, as a type and figure of all those consolations of God which are treasured up for the church in general and all believers in particular, in the covenant of grace. I.
Commenting on Isaiah 54:6-10
For the mountains shall depart, and the hills be removed,.... As sometimes by earthquakes, and as they will at the last day, when the earth shall be dissolved, and all in it, things the most solid, firm, and durable: it may be understood comparatively; sooner shall these depart and be removed than the kindness and covenant of God: it may be interpreted figuratively of revolutions...
(Isa 51:6; Psa 89:33-34; Rom 11:29). covenant of my peace-- (Sa2 23:5). The covenant whereby I have made thee at peace with Me.