Exodus 7:19

7:19 Then the Lord said to Moses, “Tell Aaron, ‘Take your staff and stretch out your hand over Egypt’s waters – over their rivers, over their canals, ¹  over their ponds, and over all their reservoirs ²  – so that it becomes ³  blood.’ There will be blood everywhere in ⁴  the land of Egypt, even in wooden and stone containers.”

Exodus 12:13

12:13 The blood will be a sign for you on the houses where you are, so that when I see ⁵  the blood I will pass over you, ⁶  and this plague ⁷  will not fall on you to destroy you ⁸  when I attack ⁹  the land of Egypt. ¹⁰ 

Exodus 12:22

12:22 Take a branch of hyssop, ¹¹  dip it in the blood that is in the basin, ¹²  and apply to the top of the doorframe and the two side posts some of the blood that is in the basin. Not one of you is to go out ¹³  the door of his house until morning.

Exodus 29:20

29:20 and you are to kill the ram and take some of its blood and put it on the tip of the right ear of Aaron, on the tip of the right ear of his sons, on the thumb of their right hand, and on the big toe of their right foot, ¹⁴  and then splash the blood all around on the altar.

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¹ tn Or “irrigation rivers” of the Nile.

² sn The Hebrew term means “gathering,” i.e., wherever they gathered or collected waters, notably cisterns and reservoirs. This would naturally lead to the inclusion of both wooden and stone vessels – down to the smallest gatherings.

³ tn The imperfect tense with vav (ו) after the imperative indicates the purpose or result: “in order that they [the waters] be[come] blood.”

⁴ tn Or “in all.”

⁵ tn Both of the verbs for seeing and passing over are perfect tenses with vav (ו) consecutives: וּפָסַחְתִּי…וְרָאִיתִי (vÿra’iti...ufasakhti); the first of these parallel verb forms is subordinated to the second as a temporal clause. See Gesenius’s description of perfect consecutives in the protasis and apodosis (GKC 494 §159.g).

⁶ tn The meaning of the verb is supplied in part from the near context of seeing the sign and omitting to destroy, as well as the verb at the start of verse 12 “pass through, by, over.” Isa 31:5 says, “Just as birds hover over a nest, so the Lord who commands armies will protect Jerusalem. He will protect and deliver it; as he passes over he will rescue it.” The word does not occur enough times to enable one to delineate a clear meaning. It is probably not the same word as “to limp” found in 1 Kgs 18:21, 26, unless there is a highly developed category of meaning there.

⁷ tn The word “plague” (נֶגֶף, negef) is literally “a blow” or “a striking.” It usually describes a calamity or affliction given to those who have aroused God’s anger, as in Exod 30:12; Num 8:19; 16:46, 47; Josh 22:17 (S. R. Driver, Exodus, 92-93).

⁸ tn Heb “for destruction.” The form מַשְׁחִית (mashkhit) is the Hiphil participle of שָׁחַת (shakhat). The word itself is a harsh term; it was used to describe Yahweh’s destruction of Sodom and Gomorrah (Gen 13:10).

⁹ tn בְּהַכֹּתִי (bÿhakkoti) is the Hiphil infinitive construct from נָכָה (nakhah), with a preposition prefixed and a pronominal suffix added to serve as the subjective genitive – the subject of this temporal clause. It is also used in 12:12.

¹⁰ sn For additional discussions, see W. H. Elder, “The Passover,” RevExp 74 (1977): 511-22; E. Nutz, “The Passover,” BV 12 (1978): 23-28; H. M. Kamsler, “The Blood Covenant in the Bible,” Dor le Dor 6 (1977): 94-98; A. Rodriguez, Substitution in the Hebrew Cultus; B. Ramm, “The Theology of the Book of Exodus: A Reflection on Exodus 12:12,” SwJT 20 (1977): 59-68; and M. Gilula, “The Smiting of the First-Born: An Egyptian Myth?” TA 4 (1977): 94-85.

¹¹ sn The hyssop is a small bush that grows throughout the Sinai, probably the aromatic herb Origanum Maru L., or Origanum Aegyptiacum. The plant also grew out of the walls in Jerusalem (1 Kgs 4:33). See L. Baldensperger and G. M. Crowfoot, “Hyssop,” PEQ 63 (1931): 89-98. A piece of hyssop was also useful to the priests because it worked well for sprinkling.

¹² tn The Greek and the Vulgate translate סַף (saf, “basin”) as “threshold.” W. C. Kaiser reports how early traditions grew up about the killing of the lamb on the threshold (“Exodus,” EBC 2:376).

¹³ tn Heb “and you, you shall not go out, a man from the door of his house.” This construction puts stress on prohibiting absolutely everyone from going out.

¹⁴ sn By this ritual the priests were set apart completely to the service of God. The ear represented the organ of hearing (as in “ears you have dug” in Ps 40 or “awakens my ear” in Isa 50), and this had to be set apart to God so that they could hear the Word of God. The thumb and the hand represented the instrument to be used for all ministry, and so everything that they “put their hand to” had to be dedicated to God and appropriate for his service. The toe set the foot apart to God, meaning that the walk of the priest had to be consecrated – where he went, how he conducted himself, what life he lived, all belonged to God now.