Isaiah 1:20 KJV
But if ye refuse and rebel, ye shall be devoured with the sword: for the mouth of the LORD hath spoken it.
Isaiah 1:18–22 KJV Chapter Context
18
Come now, and let us reason together, saith the LORD: though your sins be as scarlet, they shall be as white as snow; though they be red like crimson, they shall be as wool.
19
If ye be willing and obedient, ye shall eat the good of the land:
20
But if ye refuse and rebel, ye shall be devoured with the sword: for the mouth of the LORD hath spoken it.
21
How is the faithful city become an harlot! it was full of judgment; righteousness lodged in it; but now murderers.
22
Thy silver is become dross, thy wine mixed with water: