Jeremiah 6:26 in the World English Bible
Daughter of my people, clothe yourself with sackcloth, and wallow in ashes! Mourn, as for an only son, most bitter lamentation, for the destroyer will suddenly come on us.
Context
25 Go not forth into the field, nor walk by the way; for the sword of the enemy and fear is on every side.
26 O daughter of my people, gird thee with sackcloth, and wallow thyself in ashes: make thee mourning, as for an only son, most bitter lamentation: for the spoiler shall suddenly come upon us.
27 I have set thee for a tower and a fortress among my people, that thou mayest know and try their way.