The Apostle Paul
Colossians 3:12BSB·traditional attribution

Therefore, as the elect of God, holy and beloved, clothe yourselves with hearts of compassion, kindness, humility, gentleness, and patience.

John Calvin Reformed

13. Put on therefore. As he has enumerated some parts of the old man, so he now also enumerates some parts of the new. “Then,” says he, “will it appear that ye are renewed by Christ, when ye are merciful and kind.

Matthew Henry Presbyterian

The apostle proceeds to exhort to mutual love and compassion: Put on therefore bowels of mercy, Col 3:12. We must not only put off anger and wrath (as Col 3:8), but we must put on compassion and kindness; not only cease to do evil, but learn to do well; not only not do hurt to any, but do what good we can to all. I.

Commenting on Colossians 3:12-17

John Gill Reformed Baptist

Put on therefore,.... As the apostle had argued for the putting off of the members of the body, from their having put off the old man himself; so he now argues from their having put on the new man, to their putting on of his members; that is, to the exercise of the various graces of the Spirit, and the discharge of the several duties...