Ephrem the Syrian

Now our Lord bestowed great gifts through small means; that He might teach us of what they are deprived who have scorned great things. For if from the hem of His garment, healing like this was secretly stolen, could He not assuredly heal when His word distinctly granted healing? And if defiled lips were sanctified by kissing His feet, how much more should not pure lips be sanctified by kissing His mouth? …

Homily - On Our Lord, 14 ↗

Augustine of Hippo

She will not think that she has been forgiven little and so love little, and, ignorant of the justice of God and seeking to establish her own, not submit to the justice of God. Simon was ensnared in this vice, and the woman, to whom many sins were forgiven because she loved much, surpassed him. She will more safely and more truly consider that all the sins that God preserved her from committing should be accounted as though they are forgiven.

On Holy Virginity 41 ↗

Ambrose of Milan

Look at the economy: in the house of the Pharisee, the sinful woman is glorified, in the house of the Law and the Prophets, not the Pharisee, but the Church is justified; for the Pharisee did not believe, he believed these things. Finally, he said: If this man were a prophet, he would surely know who and what kind of woman is touching him. But the house of the Law is Judea, which is not written in stones, but on the tablets of the heart. …

Commentary on Luke ↗

Gregory the Dialogist

But the Pharisee beholding these things despises them, and finds fault, not only with the woman who was a sinner, but with the Lord who received her, as it follows, Now when the Pharisee who had bidden him saw it, he spake within himself, saying, This man, if he were a prophet, would have known who and what manner of woman this is which toucheth him. We see the Pharisee really proud in himself, and hypocritically righteous, blaming the sick woman for her sickness, the physician for his aid. …

Catena Aurea by Aquinas ↗