Then Samuel took the horn of oil, and anointed him in the midst of his brethren: and the spirit of the LORD came upon David from that day forward. So Samuel rose up, and went to Ramah.
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So clearly holy David was filled with heavenly inspiration, and not through human actions, the birth of twins, angels, visions, a dream, a cloud and a voice from heaven, or any other way of that kind. As the first book of Kings [Samuel] says of him: “And the spirit of the Lord came upon David from that day forward.” The Lord himself too says in the Gospel: “If David in the spirit calls him Lord, how do you say he is his son?” By these words we realize that the psalms were clearly expressions of prophecy through the holy Spirit. - "Exposition of the Psalms, Preface 1" ...
Brethren. Some say, without informing him, (Calmet) or them, (Menochius) what the unction meant. If he told the brothers, he would no doubt take the necessary precautions to keep it secret, as the whole family would have been in imminent danger, if the transaction had come to the ears of Saul, ver. 2. Josephus says, that Samuel only informed Isai in private: and David's brothers treated him with no peculiar distinction. Whence it is inferred, that they had not been present when he was anointed. Some witnesses seem, however, to have been requisite, as the title of David to the regal dignity depended on this ceremony, and none were more interested than his own family to assert his pretensions. He now had a right to the kingdom, but not the possession; being like a son expecting his father's estate as his future right, of which, as yet, he cannot dispose. (Calmet)
Came upon, to make him prosper. (Menochius)
Hebrew, "came with prosperity; (Septuagint) impetuosity. "God endued him with al...