The Word of God is to preached only by such as are sufficiently gifted, and also duly approved and called to that office.
1 Tim. 3:2, 6; Eph. 4:8-11; Hos. 4:6; Mal. 2:7; 2 Cor. 3:6; Jer. 14:15; Rom. 10:15; Heb. 5:4; 1 Cor. 12:28-29; 1 Tim. 3:10; 1 Tim. 4:14; 1 Tim. 5:22