"Civilized behavior" refers to following social norms and conventions of conduct that promote respect, courtesy, and cooperation among individuals in a society. Full definition
... highlights the absurdity of war, or possibly the absurdity of civilized behavior when war is going on just outside. (rottentomatoes.com)
There is some lovely, poetic material in the Quran, and a few areas of guidance for civilized behavior; but the claims of a supernatural basis for it are in no way substantiated (as is the case also with the Bible). (religion.blogs.cnn.com)
The move away from reliance on Yahweh as warrior toward state military institutions is often seen today as a step toward more civilized behavior, but in the biblical view it was clearly a move toward chaos and away from shalom. (religion-online.org)