Augustine of Hippo

There were left however two, the pitiable and the pitiful, And Jesus was left alone, and the woman standing in the midst: the woman, you may suppose, in great alarm, expecting punishment from one in whom no sin could be found. But He who had repelled her adversaries with the word of justice, lifted on her the eyes of mercy, and asked; When Jesus had lifted Himself up, and saw none but the woman, He said unto her, Woman, where are these thine accusers? hath no man condemned thee? She said, No man, Lord. …

Catena Aurea by Aquinas ↗

Thomas Aquinas

The effect of his justice is their embarrassment, for on hearing this, one after the other departed, both because they had been involved in more serious sins and their conscience gnawed them more: "Iniquity came out from the elder judges who were seen to rule the people" (Dn 13:5), and because they better realized the fairness of the sentence he gave: "I will go therefore to the great men and speak to them: for they have known the way of the Lord and the judgment of their God" (Jer 5:5). …

Commentary on John ↗

Bonaventure

Here the fourth point is noted, namely the confusion of the Pharisees, which was made manifest in their dispersal; therefore he says: "Now when they heard this," namely, so prudent and just a response, "they went out one by one, beginning from the elders." Those who had come gathered together departed scattered, and the elders went out first, because they themselves had been first in guilt, and therefore also first in flight: Daniel 13, "Iniquity went forth from the elder judges, who seemed to govern the people"; and all departed, …

Commentary on John, Chapter 8 ↗