4 and seven priests do bear seven trumpets of the jubilee before the ark, and on the seventh day ye compass the city seven times, and the priests blow with the trumpets,

Matthew Henry's Commentary on Joshua 6:4

Commentary on Joshua 6:1-5

(Read Joshua 6:1-5)

Jericho resolves Israel shall not be its master. It shut itself up, being strongly fortified both by art and nature. Thus were they foolish, and their hearts hardened to their destruction; the miserable case of all that strengthen themselves against the Almighty. God resolves Israel shall be its master, and that quickly. No warlike preparations were to be made. By the uncommon method of besieging the city, the Lord honoured the ark, as the symbol of his presence, and showed that all the victories were from him. The faith and patience of the people were proved and increased.