"Behold, I will make you into a new threshing sledge with sharp teeth; You shall thresh the mountains and beat them small, And make the hills like chaff.
Isaiah 41:15
Surrounding context
41:14 "Fear not, you worm Jacob, You men of Israel! I will help you," says the LORD And your Redeemer, the Holy One of Israel.
41:15 "Behold, I will make you into a new threshing sledge with sharp teeth; You shall thresh the mountains and beat them small, And make the hills like chaff.
41:16 You shall winnow them, the wind shall carry them away, And the whirlwind shall scatter them; You shall rejoice in the LORD, And glory in the Holy One of Israel.