Man's Inability to Keep the Moral Law
Is any man able perfectly to keep the commandments of God? No mere man, since the fall, is able in this life perfectly to keep the commandments of God, but does daily break them, in thought, word, and deed. In many things we offend all.' James 3: 2. Man in his primitive state of innocence, was endowed with ability to keep the whole moral law. He had rectitude of mind, sanctity of will, and perfection of power. He had the copy of God's law written on his heart; no sooner did God command but he obeyed. …
Thomas Watson—The Ten Commandments

Lamentations
The book familiarly known as the Lamentations consists of four elegies[1] (i., ii., iii., iv.) and a prayer (v.). The general theme of the elegies is the sorrow and desolation created by the destruction of Jerusalem[2] in 586 B.C.: the last poem (v.) is a prayer for deliverance from the long continued distress. The elegies are all alphabetic, and like most alphabetic poems (cf. Ps. cxix.) are marked by little continuity of thought. The first poem is a lament over Jerusalem, bereft, by the siege, …
John Edgar McFadyen—Introduction to the Old Testament