Adam Clarke on Jeremiah 4:19

My bowels - From this to the twenty-ninth verse the prophet describes the ruin of Jerusalem and the desolation of Judea by the Chaldeans in language and imagery scarcely paralleled in the whole Bible. At the sight of misery the bowels are first affected; pain is next felt by a sort of stricture in the pericardium; and then, the heart becoming strongly affected by irregular palpitations, a gush of tears, accompanied with wailings, is the issue. - "My bowels, my bowels! I am pained at my very heart, (the walls of my heart); my heart maketh a noise in me; I cannot hold my peace." Here is nature, and fact also.