A burnt offering and sacrifices - This verse clearly shows that Jethro was recognized as a priest of the true God, and is of great importance in its bearings upon the relation between the Israelites and their congeners, and upon the state of religion among the descendants of Abraham.

Jethro - took a burnt-offering - עלה olah. Though it be true that in the patriarchal times we read of a burnt-offering, (see Genesis 22:2, etc)., yet we only read of one in the case of Isaac, and therefore, though this offering made by Jethro is not a decisive proof that the law relative to burnt-offerings, etc., had already been given, yet, taken with other circumstances in this account, it is a presumptive evidence that the meeting between Moses and Jethro took place after the erection of tabernacle. See Clarke's note on Exodus 18:5.

Sacrifices for God - זבחים zebachim, slain beasts, as the word generally signifies. We have already seen that sacrifices were instituted by God himself as soon as sin entered into our world; and we see that they were continued and regularly practiced among all the people who had the knowledge of the only true God, from that time until they became a legal establishment. Jethro, who was a priest, (Exodus 2:16), had a right to offer these sacrifices; nor can there be a doubt of his being a worshipper of the true God, for those Kenites, from whom the Rechabites came, were descended from him; 1 Chronicles 2:55. See also Jeremiah 35.

And Aaron came, and all the elders of Israel to eat bread - The burnt-offering was wholly consumed; every part was considered as the Lord's portion, and therefore it was entirely burnt up. The other sacrifices mentioned here were such that, after the blood had been poured out before God, the officers and assistants might feed on the flesh. Thus, in ancient times, contracts were made and covenants sealed; See Clarke's note on Genesis 15:13, etc. It is very likely, therefore, that the sacrifices offered on this occasion, were those on the flesh of which Aaron and the elders of Israel feasted with Jethro.

Before God - Before the tabernacle, where God dwelt; for it is supposed that the tabernacle was now erected. See Clarke's note on Exodus 18:5; and see Deuteronomy 12:5-7, and 1 Chronicles 29:21, 1 Chronicles 29:22, where the same form of speech, before the Lord, is used, and plainly refers to his manifested presence in the tabernacle.

And Jethro, Moses's father in law, took a burnt offering and sacrifices for God,.... The burnt offering, which was either of the flock or of the herd, was wholly consumed by fire, from whence it had its name; the peace offering for thanksgiving, which seemed to be meant by the sacrifices here, the flesh of them were to be eaten, Leviticus 7:15 and now a feast was kept, as the latter part of the verse shows: whether Jethro brought cattle along with him for such a purpose, and so "gave" (p) or "offered" them for a burnt offering and sacrifices to God; as the word for took may be rendered, one and the same word signifying both to give and take, see Psalm 68:18, compared with Ephesians 4:8 or whether, with the leave of Moses and the children of Israel, he took them out of their flocks and herds, it matters not, since this is only observed to show Jethro's devotion to God, and the grateful sense he had of the divine goodness to Israel; and since he was a priest of Midian, as he is generally said to be, and a priest of the most high God, as Melchizedek was, he might offer sacrifices; for it does not appear that he delivered them to others to be offered, or that these were slain by Aaron; for, though he is after mentioned, yet not as a sacrificer, but as a guest; and perhaps this might be before he and his sons were separated to the priest's office, or, at least, before they had entered upon it; nor is this mention of a burnt offering and sacrifices any proof of Jethro's meeting Moses after the giving of the law, since, before that, sacrifices were in use, and Jethro being a grandchild of Abraham, might have learnt the use of them from him:

and Aaron came, and all the elders of Israel, to eat bread with Moses's father in law, before God; the tents of Moses being on the east side of the tabernacle, as Aben Ezra says, in which was the mercy seat and cherubim, between which the divine Majesty was; but there is no need to suppose that the tabernacle was now built, for this tent of Moses might be placed before or near the pillar of cloud in which Jehovah was; or the sense may only be, that they ate their food in the presence of God, in the fear of the Lord, with gladness and singleness of heart, as good men do; and especially as this was an eucharistic sacrifice unto God they partook of, Aaron and the elders came out of a civil respect to Jethro, to take a meal with him, as well as to join with him in a religious action: the bread they ate was, no doubt, the manna, which Jethro, though a Midianite, yet a descendant of Abraham, and a good man, partook of, and is put for the whole repast, the flesh of the sacrifices and what else were eaten: no mention is made of Moses, nor was there any need of it, as Aben Ezra observes, it being his tent in which they were: the Targum of Jonathan adds,"Moses stood and ministered before them;''and so says Jarchi; which is not very probable, it being not agreeable to the dignity of his station and office.

(p) "acceptumque obtulit", Junius & Tremellius, Piscator, Fagius, Drusius.

The sacrifices, which Jethro offered to God, were applied to a sacrificial meal, in which Moses joined, as well as Aaron and all the elders. Eating bread before God signified the holding of a sacrificial meal, which was eating before God, because it was celebrated in a holy place of sacrifice, where God was supposed to be present.

And Jethro, Moses' father in law, took a burnt offering and sacrifices for God: and Aaron came, and all the elders of Israel, to eat bread with Moses' father in law {f} before God.

(f) They ate in the place, where the sacrifice was offered: for part was burnt, and the rest eaten.

18:12 And Jethro took a burnt offering for God - And probably offered it himself, for he was a priest in Midian, and a worshipper of the true God, and the priesthood was not yet settled in Israel. And they did eat bread before God - Soberly, thankfully, in the fear of God; and their talk such as became saints. Thus we must eat and drink to the glory of God; as those that believe God's eye is upon us.

12. Jethro . took a burnt offering-This friendly interview was terminated by a solemn religious service-the burnt offerings were consumed on the altar, and the sacrifices were peace offerings, used in a feast of joy and gratitude at which Jethro, as priest of the true God, seems to have presided, and to which the chiefs of Israel were invited. This incident is in beautiful keeping with the character of the parties, and is well worthy of the imitation of Christian friends when they meet in the present day.

18:7-12 Conversation concerning God's wondrous works is good, and edifies. Jethro not only rejoiced in the honour done to his son-in-law, but in all the goodness done to Israel. Standers-by were more affected with the favours God had showed to Israel, than many were who received them. Jethro gave the glory to Israel's God. Whatever we have the joy of, God must have the praise. They joined in a sacrifice of thanksgiving. Mutual friendship is sanctified by joint worship. It is very good for relations and friends to join in the spiritual sacrifice of prayer and praise, as those that meet in Christ. This was a temperate feast; they did eat bread, manna. Jethro must see and taste that bread from heaven, and though a gentile, is welcome: the gentiles are welcomed to Christ the Bread of life.