The Apostle Paul
2 Corinthians 6:14ESV·traditional attribution

Do not be unequally yoked with unbelievers. For what partnership has righteousness with lawlessness? Or what fellowship has light with darkness?

John Calvin Reformed @genevareformer

14. Be not yoked As if regaining his authority, he now reproves them more freely, because they associated with unbelievers, as partakers with them in outward idolatry. For he has exhorted them to show themselves docile to him as to a father: he now, in accordance with the rights that belong to him, “Parlant comme en puissance et authorite de pere;” — “Speaking as with...

Matthew Henry Presbyterian @wholebiblehenry

The apostle proceeds to address himself more particularly to the Corinthians, and cautions them against mingling with unbelievers. Here observe, I. How the caution is introduced with a profession, in a very pathetic manner, of the most tender affection to them, even like that of a father to his children, Co2 6:11-13.

Commenting on 2 Corinthians 6:11-18

John Gill Reformed Baptist @doctorgill

And what concord hath Christ with Belial?.... The word "Belial" is an Hebrew word, and is only used in this place in the New Testament, but often in the Old; this word is differently read and pronounced, some copies read it "Beliar", and accordingly in the Ethiopic version it is "Belhor", and by Jerom read (i) Belvir"; but he observes, that it is more rightly...