2 Corinthians 6:14; 2 Corinthians 6:17

14 Do not yoke yourselves together in a team with unbelievers. For how can righteousness and lawlessness be partners? What fellowship does light have with darkness?
17 Therefore ADONAI says, "'Go out from their midst; separate yourselves; don't even touch what is unclean. Then I myself will receive you. In fact, I will be your Father, and you will be my sons and daughters.' says ADONAI-Tzva'ot."