Peter Pett's Commentary on the Bible - Deuteronomy 14:21
Deuteronomy 14:21 a ‘You (ye) shall not eat of anything that dies of itself: you (thou) may give it to the resident alien who is within your gates, that he may eat it; or you may sell it to a foreigner, for you (thou) are a holy people to Yahweh your God.’ They must thus not eat of what dies of itself. What has died is already committed to Yahweh in death, and is lifeless, and is not suitable for them as a holy people to Yahweh their God, for He is the Lord of life. They must only eat that... read more
G. Campbell Morgan's Exposition on the Whole Bible - Deuteronomy 14:1-29
Continuing, Moses proceeded to give the injunctions which revealed his consciousness of this effect of worship on conduct, warning the people against specific evils and urging them anew to observance of matters enjoined by the Law. In this chapter we find first of all his warning against the seduction of sorrow. The people of the land were accustomed to mutilate themselves in the wildness of their sorrow over the death of friends. All such mutilation was strictly forbidden to the people... read more