31 “Arise and attack a nation at ease, which lives in confidence,” declares the LORD, “a nation that has neither gates nor bars; its people live far from danger.

Read Jeremiah 49:31 Using Other Translations

Arise, get you up unto the wealthy nation, that dwelleth without care, saith the LORD, which have neither gates nor bars, which dwell alone.
"Rise up, advance against a nation at ease, that dwells securely, declares the LORD, that has no gates or bars, that dwells alone.
“Go up and attack that complacent nation,” says the LORD . “Its people live alone in the desert without walls or gates.