14 Do not keep company with those who have not faith: for what is there in common between righteousness and evil, or between light and dark? 15 And what agreement is there between Christ and the Evil One? or what part has one who has faith with one who has not? 16 And what agreement has the house of God with images? for we are a house of the living God; even as God has said, I will be living among them, and walking with them; and I will be their God, and they will be my people. 17 For which cause, Come out from among them, and be separate, says the Lord, and let no unclean thing come near you; and I will take you for myself,
Matthew Henry's Commentary on 2 Corinthians 6:14-17
Commentary on 2 Corinthians 6:11-18
(Read 2 Corinthians 6:11-18)
It is wrong for believers to join with the wicked and profane. The word unbeliever applies to all destitute of true faith. True pastors will caution their beloved children in the gospel, not to be unequally yoked. The fatal effects of neglecting Scripture precepts as to marriages clearly appear. Instead of a help meet, the union brings a snare. Those whose cross it is to be unequally united, without their wilful fault, may expect consolation under it; but when believers enter into such unions, against the express warnings of God's word, they must expect must distress. The caution also extends to common conversation. We should not join in friendship and acquaintance with wicked men and unbelievers. Though we cannot wholly avoid seeing and hearing, and being with such, yet we should never choose them for friends. We must not defile ourselves by converse with those who defile themselves with sin. Come out from the workers of iniquity, and separate from their vain and sinful pleasures and pursuits; from all conformity to the corruptions of this present evil world. If it be an envied privilege to be the son or daughter of an earthly prince, who can express the dignity and happiness of being sons and daughters of the Almighty?