2 Corinthians 6:13-15

13As a fair exchange—I speak as to my children—open wide your hearts also.

Warning Against Idolatry 14Do not be yoked together with unbelievers. For what do righteousness and wickedness have in common? Or what fellowship can light have with darkness? 15What harmony is there between Christ and Belial Greek Beliar, a variant of Belial ? Or what does a believer have in common with an unbeliever?