9 And Jehovah said to Moses: “Look! I am coming to you in a dark cloud, so that the people may hear when I speak with you and so that they may always put faith in you as well.” Then Moses reported the words of the people to Jehovah.

18 Mount Siʹnai smoked all over, because Jehovah came down upon it in fire;+ and its smoke was rising like the smoke of a kiln, and the whole mountain was trembling violently.+