Gregory the Great — as excerpted in the Catena Aurea on Luke 7:36-50

“(in Hom. 33. in Ev.) For this woman, beholding the spots of her shame, ran to wash them at the fountain of mercy, and blushed not at seeing the guests, for since she was courageously ashamed of herself within, she thought there was nothing which could shame her from without. Observe with what sorrow she is wrung who is not ashamed to weep even in the midst of a feast!”