Matthew Henry on Joshua 7:1-5
The story of this chapter begins with a but. The Lord was with Joshua, and his fame was noised through all that country, so the foregoing chapter ends, and it left no room to doubt but that he would go on as he had begun conquering and to conquer. He did right, and observed his orders in every thing. But the children of Israel committed a trespass, and so set God against them; and then even Joshua's name and fame, his wisdom and courage, could do them no service. If we lose our God, we lose our friends, who cannot help us unless God be for us. Now here is,
I. Achan sinning, Jos 7:1. Here is only a general mention made of the sin; we shall afterwards have a more particular account of it from…
Read the whole note in the consoleJamieson-Fausset-Brown on Joshua 7:4
they fled before the men of Ai--An unexpected resistance, and the loss of thirty-six of their number diffused a panic, which ended in an ignominious rout.
Adam Clarke on Joshua 7:4
About three thousand men - The spies sent to reconnoitre the place (Jos 7:3) reported that the town was meanly garrisoned, and that two or three thousand men would be sufficient to take it. These were accordingly sent up, and were repulsed by the Amorites.
John Gill on Joshua 7:4
So there went up thither of the people about three thousand men,.... Joshua detached from the army the largest number proposed, that there might be strength enough to take the place; and those he sent under proper officers to Ai, who went up to the very gate of the city, as appears from Joshua 7:5,
and they fled before the men of Ai; for upon their appearing at the gate of their city, they came out with all their forces against them, and as soon as they did, the children of Israel durst not face them, but without engaging with them fled at once: God having forsaken them, their courage failed, the dread of their enemies falling on them.
John Calvin