19:16–19 Signs of God’s theophany (or appearing) include thunder, lightning, earthquake, smoke, and trumpet blasts (1 Kin. 19:11–13; Job 38:1; 40:6; Is. 29:6) and communicate to all senses. 19:20–25 Moses meets God once more on the mountain. Again, the Lord emphasizes the holiness of His presence in a warning that is also applicable to the not-yet-ordained priests (Ex. 29; Lev. 8). 20:1–17 An important introduction (vv. 1–2) is followed by the ten “words” (or commandments; 34:28; Deut. 4:14; 10:4;