Thomas Aquinas

Here, miserable persons, due to defect of age, are mourned. First is indicated the death of such persons, second, the order of their death. As verse 12 says: "They cry to their mothers, 'Where is bread and wine?'" And as Jeremiah 9:1 expresses it: "O that my head were waters, and my eyes a fountain of tears." Namely, from a commotion of vital parts, around the heart. Then: "my heart is poured out in grief," As if, only I grieve, like the heart's commotion within grief. Or, as if one arrives to the very intimacies of the heart. …

Commentary on Lamentations ↗