Do not make a covenant with the world.
Deuteronomy 7:1-4 When the LORD thy God shall bring thee into the land whither thou goest to possess it, and hath cast out many nations before thee, the Hittites, and the Girgashites, and the Amorites, and the Canaanites, and the Perizzites, and the Hivites, and the Jebusites, seven nations greater and mightier than thou; And the LORD thy God shall deliver them before thee, to smite them, and utterly destroy them: thou shalt not covenant with them, nor show mercy unto them; Neither shalt thou make marriages with them, you shall not give your daughters to their sons, and not take their daughters for your sons; For they will turn away thy son from following me, that they may serve other gods: so will the anger of the LORD be kindled against you, and destroy thee suddenly. Do not make a covenant with the world, do not accept that the enemy into your life, not to breach the devil take the sorrows of his heart with unclean people do not walk, even if people have good intentions to cont...