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;
11. and let them be ready for the third day; for on the third day Jehovah will come down before the eyes of all the people on mount Sinai.
12. And set bounds round about the people, saying, Take heed to yourselves, not to go up unto the mountain nor touch the border of it: whatever toucheth the mountain shall certainly be put to death: