1 Samuel 9:2

But it must be asked why the same Saul is said to be chosen and good, who is declared to be the son of a harsh man. But he is called chosen not according to grace, but according to judgment. He is also called good so that the disposition of divine equity may be commended. For even the evils that we often suffer on account of our sins, because they are inflicted on us through divine justice, are good. Whatever is just is certainly good. For by the justice of God, reprobate pastors are permitted to ascend to the governance of the holy Church; but those who are evil through iniquity are good by divine disposition; and those who are now chosen by the hidden ordering of God will ultimately be condemned at the universal judgment. Therefore, let the reprobate pastor be called chosen, because it is decreed by God's indignation that he should exist; and let him be called good, because he is justly permitted. Likewise, because he is provided as more useful than others for carrying out divine judgments, no one among the sons of Israel is said to be better than he. He is also recorded as standing out above all the people from the shoulder and upward, because he who follows the ways of carnal men in his manner of living strives mightily to do what another cannot do. For the carnal ruler stands out above the entire people from the shoulder and upward, since in external matters he is strong beyond comparison.

And he had a son named Saul, etc. For he who is of the earth is from the earth, and speaks of the earth: he who comes from heaven is above all; who did not commit sin, nor was deceit found in his mouth (John III; 1 Peter II). But also the name Saul, which means "desired" or "petition," most fittingly applies to Christ, who is always implored with great desire by the saints and is asked to be present. Likewise, the name of his father Cis, that is, "stern," also alludes to mysteries; whether it signifies God the Father, or David, or Abraham, or any other of the fathers, from whom Christ is according to the flesh. For that nature is stern, which not only cannot be conquered or changed, but also cannot be comprehended by any created nature. It is stern in the strictness of judgment to the reprobate, but through the grace of mercy is kind to the good. For it is said of these: "How good is God to Israel, to those who are pure in heart" (Psalm XXII)! But of those, it is said: "Your almighty word leapt down from heaven, from the royal throne, as a stern warrior into the midst of the land of destruction" (Wisdom XVIII); and in temptations, the faithful hearts of the good are stern, to whom under the guise of Ezekiel it is said: "Behold, I have made your face stronger than their faces, and your forehead stronger than their foreheads; like adamant, harder than flint have I made it" (Ezekiel III).