David said to Achish, “If you are pleased with me, give me a place in one of your country towns. I can live there. I don’t really need to live near you in the royal city.”
You should answer, ‘We’ve taken care of livestock from the time we were boys. We’ve done just as our fathers did.’ It’s the practice of the people of Egypt not to mix with shepherds. So Pharaoh will let you settle in the area of Goshen.”
So, “Come out from among them and be separate, says the Lord. Do not touch anything that is not pure and ‘clean.’ Then I will receive you.” (Isaiah 52:11; Ezekiel 20:34,41)