Exodus 19:19-21

Young's Literal Translation

¹⁹ and the sound of the trumpet is going on, and very strong; Moses speaketh, and God doth answer him with a voice.

²⁰ And Jehovah cometh down on mount Sinai, unto the top of the mount, and Jehovah calleth for Moses unto the top of the mount, and Moses goeth up.

²¹ And Jehovah saith unto Moses, `Go down, protest to the people, lest they break through unto Jehovah to see, and many of them have fallen;