1 Samuel 23:19-22

Then came the Ziphites to Saul They were of David's own tribe, though for this unnatural carriage to him he calls them strangers. Saul said, Blessed be ye of the Lord Saul, notwithstanding all his injustice and cruelty to David, still supposes himself to be the injured person, and his cause the right one. Thus too often do men let their passions blind them so as to persuade themselves that the most unjust things are equitable. Go, I pray you, prepare yet Or rather, Make yourselves more certain of this, as the words may be translated, and more agreeably to what follows.