2 I will go before you and will level the mountainsa ; I will break down gates of bronze and cut through bars of iron.

Read Isaiah 45:2 Using Other Translations

I will go before thee, and make the crooked places straight: I will break in pieces the gates of brass, and cut in sunder the bars of iron:
"I will go before you and level the exalted places, I will break in pieces the doors of bronze and cut through the bars of iron,
This is what the LORD says: “I will go before you, Cyrus, and level the mountains. I will smash down gates of bronze and cut through bars of iron.