False witnesses did rise up

Perjury, v. 11. When Saul would have David attainted of treason, in order to his being outlawed, perhaps he did it with the formalities of a legal prosecution, produced witnesses who swore some treasonable words or overt acts against him, and he being not present to clear himself (or, if he was, it was all the same), Saul adjudged him a traitor. This he complains of here as the highest piece of injustice imaginable: False witnesses did rise up, who would swear anything; they laid to my charge things that I knew not, nor ever thought of. See how much the honours, estates, liberties, and lives, even of the best men, lie at the mercy of the worst, against whose false oaths innocency itself is no fence; and what reason we have to acknowledge with thankfulness the hold God has of the consciences even of bad men, to which it is owing that there is not more mischief done in that way than is. This instance of the wrong done to David was typical, and had its accomplishment in the Son of David, against whom false witnesses did arise, Mt. 26:60. If we be at any time charged with what we are innocent of let us not think it strange, as though some new thing happened to us; so persecuted they the prophets, even the great prophet.

Matthew Henry’s commentary on the whole Bible: complete and unabridged in one volume (pp. 790–791). Peabody: Hendrickson.