They are vanity, a work of delusion; in the time of their visitation they shall perish,
King James Version (KJV) - Jeremiah 51:18 >They [are] vanity, the work of errors: in the time of their visitation they shall perish.
Berean Study Bible (BSB) - Jeremiah 51:18 >They are worthless, a work to be mocked. In the time of their punishment they will perish.