18:21 Pass through fire - This was done, either by burning them in the fire, or by making them pass between two great fires, which was a kind of consecration of them to that God. Moloch - Called also Milcom, was an idol chiefly of the Ammonites. He seems to be the Saturn of the heathens, to whom especially children and men were sacrificed. This is mentioned, because the neighbours of Israel were most infected with this idolatry, and therefore they are particularly cautioned against it, though under this one instance all other idols and acts, or kinds of idolatry, are manifestly comprehended and forbidden.

Leviticus 18:21 Parallel Commentaries

Meditations for Household Piety.
1. If thou be called to the government of a family, thou must not hold it sufficient to serve God and live uprightly in thy own person, unless thou cause all under thy charge to do the same with thee. For the performance of this duty God was so well pleased with Abraham, that he would not hide from him his counsel: "For," saith God, "I know him that he will command his sons and his household after him that they keep the way of the Lord, to do righteousness and judgment, that the Lord may bring upon …
Lewis Bayly—The Practice of Piety

Appendix ii. Philo of Alexandria and Rabbinic Theology.
(Ad. vol. i. p. 42, note 4.) In comparing the allegorical Canons of Philo with those of Jewish traditionalism, we think first of all of the seven exegetical canons which are ascribed to Hillel. These bear chiefly the character of logical deductions, and as such were largely applied in the Halakhah. These seven canons were next expanded by R. Ishmael (in the first century) into thirteen, by the analysis of one of them (the 5th) into six, and the addition of this sound exegetical rule, that where two …
Alfred Edersheim—The Life and Times of Jesus the Messiah

Leviticus
The emphasis which modern criticism has very properly laid on the prophetic books and the prophetic element generally in the Old Testament, has had the effect of somewhat diverting popular attention from the priestly contributions to the literature and religion of Israel. From this neglect Leviticus has suffered most. Yet for many reasons it is worthy of close attention; it is the deliberate expression of the priestly mind of Israel at its best, and it thus forms a welcome foil to the unattractive …
John Edgar McFadyen—Introduction to the Old Testament