7. The Apostle now adduces the most incontrovertible evidence of the truth of his assertion made in the foregoing verse, viz., that Jesus Christ was the long-expected Messiah, true God and true man, who was to come and redeem mankind. The witnesses here adduced are divine witnesses. (Such is the meaning of “in heaven,” as contradistinguished from “on earth,” next verse), viz., the three Adorable Persons of the Trinity, “the Father,” who bore testimony to Christ (Matthew, 1:21; 3:17; 17:5; John, 12:28);