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Common belief identifies members of God’s family. And common affection unites them. Paul gives this relationship rule for the church: “Be devoted to one another in brotherly love.” The apostle plays the wordsmith here, bookending the verse with fraternal-twin terms. He begins with philostorgos (philos means friendly; storgos mean family love) and concludes with philadelphia (phileo means tender affection; adelphia means brethren). An awkward but accurate translation of the verse might be “Have a friend/family devotion to each other in a friend/family sort of way.” If Paul doesn’t get us with the first adjective, he catches us with the second. In both he reminds us: the church is God’s family.