Deuteronomy 23:14 in the King James Version
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.
Context
13 You shall have a trowel among your weapons. It shall be, when you relieve yourself, you shall dig with it, and shall turn back and cover your excrement;
14 for the LORD your God walks in the middle of your camp, to deliver you, and to give up your enemies before you. Therefore your camp shall be holy, that he may not see an unclean thing in you, and turn away from you.
15 You shall not deliver to his master a servant who has escaped from his master to you.