2 Chronicles 16:9 Commentary - English Annotations on the Holy Bible by Matthew Poole
Whose heart is perfect, i.e. upright and sincere, as thine is not.
Object. The heart of Asa is said to be perfect all his days, 2Ch 15:17.
Answ. He was perfect and sincere in the things there spoken of, in the establishment of the outward worship of God; but not in the inward worship of God, trusting, and fearing, and loving him with all his heart, of which he here speaks. Or thus, He was perfect or sincere in the general course of his life, though in some particulars, whereof this is one, his heart did not perfectly cleave to God, as it should have done.
Thou shalt have wars with Baasha, 2Ch 16:4.
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English Annotations on the Holy Bible by Matthew Poole
Matthew Poole (1624–1679) wrote English Annotations on the Holy Bible, completing the chapters as far as Isaiah 58 before his death in 1679. The rest of the Annotations were completed by friends and colleagues among his Nonconformist brethren. The first printing of the completed edition was in 1685, 2 volumes folio, followed by editions in 1688, 1696 (with valuable chapter outlines added by the editors, Samuel Clark and Edward Veale), and the 4th and definitive edition in 1700, the basis of all others.