Exodus Chapter 23, Verse 22

22: But if thou shalt indeed obey his voice, and do all that I speak; then I will be an enemy unto thine enemies, and an adversary unto thine adversaries.- edit KJV text
22: But if thou wilt hear his voice, and do all that I speak, I will be an enemy to thy enemies, and will afflict them that afflict thee.— edit Douay text
22: If ye will indeed hear my voice, and if thou wilt do all the things I shall charge thee with, and keep my covenant, ye shall be to me a peculiar people above all nations, for the whole earth is mine; and ye shall be to me a royal priesthood, and a holy nation: these words shall ye speak to the children of Israel, If ye shall indeed hear my voice, and do all the things I shall tell thee, I will be an enemy to thine enemies, and an adversary to thine adversaries.— edit LXX text