8:30-35 As soon as Joshua got to the mountains Ebal and Gerizim, without delay, and without caring for the unsettled state of Israel, or their enemies, he confirmed the covenant of the Lord with his people, as appointed, De 11; 27. We must not think to defer covenanting with God till we are settled in the world; nor must any business put us from minding and pursuing the one thing needful. The way to prosper is to begin with God, Mt 6:33. They built an altar, and offered sacrifice to God, in token of their dedicating themselves to God, as living sacrifices to his honour, in and by a Mediator. By Christ's sacrifice of himself for us, we have peace with God. It is a great mercy to any people to have the law of God in writing, and it is fit that the written law should be in a known tongue, that it may be seen and read of all men.

Jos 8:30, 31. Joshua Builds an Altar.

30, 31. Then Joshua built an altar unto the Lord God of Israel in mount Ebal—(See on [184]De 27:11). This spot was little short of twenty miles from Ai. The march through a hostile country and the unmolested performance of the religious ceremonial observed at this mountain, would be greatly facilitated, through the blessing of God, by the disastrous fall of Ai. The solemn duty was to be attended to at the first convenient opportunity after the entrance into Canaan (De 27:2); and with this in view Joshua seems to have conducted the people through the mountainous region that intervened though no details of the journey have been recorded. Ebal was on the north, opposite to Gerizim, which was on the south side of the town Sichem (Nablous).