all may learn: 1Co 14:3, 1Co 14:19, 1Co 14:35, Pro 1:5, Pro 9:9, Eph 4:11, Eph 4:12 all may be: Rom 1:12, 2Co 1:4, 2Co 7:6, 2Co 7:7, Eph 6:22, 1Th 4:18, 1Th 5:11, 1Th 5:14 Reciprocal: Rom 12:6 - whether 1Co 12:10 - prophecy