Joshua
Joshua 3:4ESV·traditional attribution

Yet there shall be a distance between you and it, about 2,000 cubits in length. Do not come near it, in order that you may know the way you shall go, for you have not passed this way before.”

John Calvin Reformed @genevareformer

4. Yet there shall be a space, etc As the younger Levites, whose province it was to carry the ark, (Numbers 4:15) were strictly forbidden to touch it, or even to look at it, when uncovered, it is not wonderful that the common people were not allowed to approach within a considerable distance of it.

Matthew Henry Presbyterian @wholebiblehenry

Rahab, in mentioning to the spies the drying up of the Red Sea (Jos 2:10), the report of which terrified the Canaanites more than anything else, intimates that those on that side the water expected that Jordan, that great defence of their country, would in like manner give way to them. Whether the Israelites had any expectation of it does not appear.

Commenting on Joshua 3:1-6

John Gill Reformed Baptist @doctorgill

Yet there shall be a space between you and it,.... The ark; the Keri or marginal reading is, "between you and them"; the priests that bear it: hence sprung a fiction among the Jews, that there were two arks, the ark of the Shechinah or divine Majesty, and the ark of Joseph, in which his bones were put, which went together (q); which Jarchi, Kimchi...