Adam Clarke on Joshua 22:21

Then the children of Reuben - answered - Though conscious of their own innocency they permitted Phinehas to finish his discourse, though composed of little else than accusations; there was a decency in this, and such a full proof of good breeding, as does them the highest credit. There are many public assemblies in the present day which lay claim to the highest refinement, who might take a very useful lesson from these Reubenites and their associates.