Colossians 3:15 (BSB)

Let the peace of Christ rule in your hearts, for to this you were called as members of one body. And be thankful.

From Colossians 3. Also in the ESV.

Commentary on Colossians 3:15

• John Calvin (Reformed), Calvin's Commentaries on Colossians 3:15: 15. And the peace of God. He gives the name of the peace of God to that which God has established among us, as will appear from what follows. He would have it reign in our hearts. “Rule in your hearts, (βραβεύετο.) Let the peace of Christ judge, decide, and govern in your hearts, as the brabeus, or judge, does in the Olympic contests...
• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Colossians 3:12-17: 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.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Colossians 3:15: And let the peace of God rule in your hearts,.... By "the peace of God" is meant, either the peace believers have with God, which is his gift, and passes all understanding, and flows from a comfortable apprehension of interest in the blood, righteousness, and atonement of Christ; or rather that peace which does, or should subsist among the saints themselves, which God is the...
• Albert Barnes (Presbyterian), Barnes' New Testament Notes on Colossians 3:15: Verse 15. And let the peace of God. The peace which God gives. . Rule in your hearts. Preside in your hearts; sit as umpire there, (Doddridge;) govern and control you. The word here rendered rule βραβευετω--is commonly used in reference to the Olympic and other games.