What does Isaiah 2:14 mean?
Isaiah is identifying things on earth which human beings might put their trust in, instead of the Lord (Isaiah 2:13–18). Faith in wealth, resources, or power is foolish (Psalm 20:7; 33:17). This is to drive home the case that the Lord will bring everything crumbling down in its time. The passage has mentioned great trees (Isaiah 2:13) and now tops that by describing great mountains and hills.The Lord has predicted a day (Ezekiel 30:3; Obadiah 1:15; Acts 2:20; 2 Peter 3:10) when even the mountains will be brought low from their mighty heights. Those who trust in mountains or compare themselves to mountains will be humbled on the day of the Lord. In bringing the great features of His creation low, God Himself will be exalted above all things. Even mountains are not greater than the Lord.