1 Samuel 10:5 - Joseph Benson’s Commentary on the Old and New Testaments

Thou shalt come to the hill of God So called, either because they were wont to sacrifice here; or, because here was a school of the prophets, who were called men of God. A company of prophets By prophets here, he understands persons that wholly devoted themselves to religious studies and exercises. For the term of prophesying is not only given to the most eminent act of it, foretelling things to come, but also to preaching, and to the making or singing of psalms, or songs of praise to God. And they that wholly attended upon these things are called sons of the prophets, who were commonly combined into companies or colleges, that they might more conveniently assist one another in God's work. This institution God was pleased so far to honour and bless, that sometimes he communicated unto those persons the knowledge of future things. Coming down from the high place Probably from a sacrifice which they had offered in the high place: and now they praised God for his benefits in the following manner: With a psaltery Such instruments being then used by the prophets and other persons, to compose their minds, and render them fit to receive divine communications, as well as to raise their affections to God, and to the contemplation of things spiritual and heavenly. They shall prophesy Either sing God's praises, as the word sometimes signifies, (Exodus 15:21; 1 Chronicles 25:3,) or speak of the things of God by a peculiar repulse of his Spirit.