The Perfect Heart.
For the eyes of the Lord ran to and fro throughout the whole earth, to shew Himself strong in the behalf of them whose heart is perfect toward Him--2 CHRON. xvi. 9. This passage occurs in the history of Asa, one of the most godly and devoted kings that ever sat upon the throne of Judah. We are told in the fourteenth chapter that he commenced his reign by setting himself to destroy the idolatry into which the whole nation had been betrayed by its former ruler, and to restore the worship and service …
Catherine Booth—Godliness

Psalms
The piety of the Old Testament Church is reflected with more clearness and variety in the Psalter than in any other book of the Old Testament. It constitutes the response of the Church to the divine demands of prophecy, and, in a less degree, of law; or, rather, it expresses those emotions and aspirations of the universal heart which lie deeper than any formal demand. It is the speech of the soul face to face with God. Its words are as simple and unaffected as human words can be, for it is the genius …
John Edgar McFadyen—Introduction to the Old Testament