Adam Clarke's Commentary on the Bible - Deuteronomy 4:15
Ye saw no manner of similitude - Howsoever God chose to appear or manifest himself, he took care never to assume any describable form. He would have no image worship, because he is a Spirit, and they who worship him must worship him in Spirit and in truth. These outward things tend to draw the mind out of itself, and diffuse it on sensible, if not sensual, objects; and thus spiritual worship is prevented, and the Holy Ghost grieved. Persons acting in this way can never know much of the... read more
John Gills Exposition of the Bible Commentary - Deuteronomy 4:24
For the Lord thy God is a consuming fire ,.... To his enemies; his wrath is like fire to burn up and destroy all that oppose him and break his commands, and especially idolaters; whose sin of all others is the most provoking to him, since it strikes at his being, his honour and glory; wherefore it follows: even a jealous God ; who is jealous of his honour in matters of worship, and will not suffer his glory to be given to another, nor his praise to graven images, without resenting it or... read more