Isaiah 1:20

20 but if you resist and rebel, you will be devoured by the sword.” For the mouth of the LORD has spoken.

Read Isaiah 1:20 Using Other Translations

But if ye refuse and rebel, ye shall be devoured with the sword: for the mouth of the LORD hath spoken it.
but if you refuse and rebel, you shall be eaten by the sword; for the mouth of the LORD has spoken."
But if you turn away and refuse to listen, you will be devoured by the sword of your enemies. I, the LORD, have spoken!”