Exodus 19:8-10

Darby Translation

⁸ And all the people answered together, and said, All that Jehovah has spoken will we do! And Moses brought the words of the people back to Jehovah.

⁹ And Jehovah said to Moses, Lo, I will come to thee in the cloud's thick darkness, that the people may hear when I speak with thee, and believe thee also for ever. And Moses told the words of the people to Jehovah.

¹⁰ And Jehovah said to Moses, Go to the people, and hallow them to-day and to-morrow, and let them wash their clothes;