申命记 23:14

因为耶和华—你的 神常在你营中行走，要救护你，将仇敌交给你，所以你的营理当圣洁，免得他见你那里有污秽，就离开你。」

For the LORD thy God walketh in the midst of thy camp, to deliver thee, and to give up thine enemies before thee; therefore shall thy camp be holy: that he see no unclean thing in thee, and turn away from thee.