Joshua 22:21 Meaning

19Notwithstanding, if the land of your possession be unclean, then pass ye over unto the land of the possession of the LORD, wherein the LORD'S tabernacle dwelleth, and take possession among us: but rebel not against the LORD, nor rebel against us, in building you an altar beside the altar of the LORD our God.

20Did not Achan the son of Zerah commit a trespass in the accursed thing, and wrath fell on all the congregation of Israel? and that man perished not alone in his iniquity.

21Then the children of Reuben and the children of Gad and the half tribe of Manasseh answered, and said unto the heads of the thousands of Israel,

22The LORD God of gods, the LORD God of gods, he knoweth, and Israel he shall know; if it be in rebellion, or if in transgression against the LORD, (save us not this day,)

23That we have built us an altar to turn from following the LORD, or if to offer thereon burnt offering or meat offering, or if to offer peace offerings thereon, let the LORD himself require it;