4 The word of the Lord came to you face to face on the mountain, out of the heart of the fire,

Matthew Henry's Commentary on Deuteronomy 5:4

Commentary on Deuteronomy 5:1-5

(Read Deuteronomy 5:1-5)

Moses demands attention. When we hear the word of God we must learn it; and what we have learned we must put in practice, for that is the end of hearing and learning; not to fill our heads with notions, or our mouths with talk, but to direct our affections and conduct.