Joshua 6:3

“And ye shall compass the city, all [ye] men of war, etc.] Joshua their chief commander under the Lord, and all that were able to make war, even all above twenty years of age; these were to compass the city, not in the form of a siege, but by a procession around it: [and] go round about the city once; or one time, for the first once in a day, and no more: thus shall thou do six days; one after another; that is, go round it, once every day, for such a time. This order was given, according to the Jews f82, the twenty second of Nisan, after the feast of unleavened bread was over.”

“ye shall compass the city, all ye men of war. . . . Thus shalt thou do six days, &c.--Directions are here given as to the mode of procedure. Hebrew, "horns of jubilee"; that is, the bent or crooked trumpets with which the jubilee was proclaimed. It is probable that the horns of this animal were used at first; and that afterwards, when metallic trumpets were introduced, the primitive name, as well as form of them, was traditionally continued. The design of this whole proceeding was obviously to impress the Canaanites with a sense of the divine omnipotence, to teach the Israelites a memorable lesson of faith and confidence in God's promises, and to inspire sentiments of respect and reverence…”

“The command of the Lord as to the mode in which the fall of Jericho should be brought about is given in these verses in a condensed form. Further details (see Joshua 6:8-10, Joshua 6:16-17, etc.), were, no doubt, among the commands given to Joshua by the Angel. Joshua 6:4 Trumpets of ram’s horns - Render rather here and in Joshua 6:5-6, Joshua 6:8, etc., “trumpets of jubilee” (compareLeviticus 25:10; Leviticus 25:10 note). The instrument is more correctly rendered “cornet” (see Leviticus 25:9, note). Various attempts have been made to explain the fall of Jericho by natural causes, as, e. g., by the undermining of the walls, or by an earthquake, or by a sudden assault. But the narrative of…”

“Round about the city once - At a convenient distance, out of the reach of their arrows. Six days - Every day once. This and the following course might seem ridiculous and absurd, and is therefore prescribed by God, that they might learn to take new measures of things, and to expect success not from their own valour, or skill, but merely from God's appointment and blessing; and in general, not to judge of any of God's institutions by mere carnal reason, to which divers of their ceremonies would seem no less foolish than this action. Joshua 6:5”

“ye shall: Jos 6:7, Jos 6:14; Num 14:9; Co1 1:21-25; Co2 4:7 Joshua 6:4”