Romans 15:6

“That ye may with one mind and one mouth; etc..] This is the end for which the above request is made, and shows, that a cordial and sincere affection for one another is necessary to the worshipping of God with one consent, to a joining together in acts of religious service, both in praying to God, and in praising of him, which latter seems here chiefly designed; for how should there be an agreement of heart and voice, of mind and mouth, in praising God, unless there is a singleness of heart, and oneness of affection? This is necessary in order to glorify God, even the Father of our Lord Jesus Christ. The Syriac and Arabic versions read, God “the Father of our Lord Jesus Christ”; leaving out,…”

“That, &c.--rather, "that with one accord ye may with one mouth glorify the God and Father of our Lord Jesus Christ"; the mind and the mouth of all giving harmonious glory to His name. What a prayer! And shall this never be realized on earth?”

“That ye may with one mind - The word used here is translated “with one accord;” Acts 1:14; Acts 2:1; Acts 4:24. It means unitedly, with one purpose, without contentions, and strifes, and jars. And one mouth - This refers, doubtless, to their prayers and praises. That they might join without contention and unkind feeling, in the worship of God. Divisions, strife, and contention in the church prevent union in worship. Though the “body” may be there, and the church “professedly” engaged in public worship, yet it is a “divided” service; and the prayers of strife and contention are not heard; Isaiah 58:4. Glorify God - Praise or honor God. This would be done by their union, peace, and harmony;…”

“That ye - Both Jews and gentiles, believing with one mind, and confessing with one mouth. Romans 15:7”

“with: Rom 15:9-11; Zep 3:9; Zac 13:9; Act 4:24, Act 4:32 the: Joh 10:29, Joh 10:30, Joh 20:17; Co2 1:3, Co2 11:31; Eph 1:3; Pe1 1:3 Romans 15:7”