The Marginal Readings of the Most Approved Printed Copies of the Scriptures, with Such Others as Appear to be Countenanced by the Hebrew and Greek Originals, a Copious Collection of Parallel Texts; Summaries of Each Book and Chapter; and the Date of Every Transaction and Event Recorded in the Sacred Oracles, Agreeably to the Calculations of the Most Correct Chronologers
The Psalms are wonderful. They have been read, repeated, chanted, sung, studied, wept over, rejoiced in, expounded, loved and praised by God's people for thousands of years. The most ancient of these productions is now  three thousand three hundred and twenty-six years old. The least ancient of them is two thousand four hundred and fifty-three years old. The difference in date between the most ancient and the most modern of them is eight hundred and seventy-three years. They were all written in Asia, so that we in this Western world can have no national pride respecting them. Yet pious people here and all over the earth have found and can find no compositions more suitable for delineating their devout emotions, and for expressing their pious sensibilities than those of inspired Psalmists. If to any man these songs are unsavory, the reason is found in the blindness and depravity of the human heart. Hengstenberg: "The Psalms are expressions of holy feeling, which can be understood by those only, who have become alive to such feeling." Other things being equal, he who has the most heavenly mind, will be the most successful student of the Psalms. - Introduction.