Berean Study Bible (BSB) - Jeremiah 48:30 >

I know his insolence,” declares the LORD, “but it is futile. His boasting is as empty as his deeds.

Jewish Publication Society of America Version (JPS1917) - Jeremiah 48:30 >

I know his arrogancy, saith the LORD, that it is ill-founded; his boastings have wrought nothing well-founded.