Exodus 19:8-10

American Standard Version

⁸ And all the people answered together, and said, All that Jehovah hath spoken we will do. And Moses reported the words of the people unto Jehovah. ⁹ And Jehovah said unto Moses, Lo, I come unto thee in a thick cloud, that the people may hear when I speak with thee, and may also believe thee for ever. And Moses told the words of the people unto Jehovah. ¹⁰ And Jehovah said unto Moses, Go unto the people, and sanctify them to-day and to-morrow, and let them wash their garments,