King James Version (KJV) - Exodus 19:21 >

And the LORD said unto Moses, Go down, charge the people, lest they break through unto the LORD to gaze, and many of them perish.

Berean Study Bible (BSB) - Exodus 19:21 >

and the LORD said to him, “Go down and warn the people not to break through to see the LORD, lest many of them perish.