Augustine of Hippo

Who save him who rose on the third day was in a position to say that his flesh rested in hope, that his soul, not left in hell, would swifty return to reanimate his flesh, that his flesh would not undergo corruption as other corpses rot away? Surely, no one can maintain that all of this was verified in David, king and prophet!

City of God 17.18 ↗

Jerome

Moreover my flesh too shall rest in hope. For you will not leave my soul in hell, nor will you give your holy one to see corruption. It is superfluous to wish to treat of those things which have been explained by the apostles. We therefore say these things, which were passed over by them as being, as it were, of lesser importance: that he said, "My flesh shall dwell in hope," for this reason, that the Savior descended to the dead with the hope of rising again at once. …

Homily 61, on Psalm 15 ↗

Thomas Aquinas

The reason is that resurrection requires the union of body and soul; and therefore the soul joined to divinity should not have remained in Hell; but it had to stay there only until the truth of his humanity and true flesh was proven: nor was it fitting for it to be left in Hell, where it had descended to free the saints. Sir. 24: "I will penetrate all the lower parts of the earth, and I will visit all who sleep, and I will enlighten all," etc. …

Exposition on the Psalms of David ↗