This Psalm and the rest which follow to the end are wholly laudatory, setting forth the praises of God. The excellency of this Psalm appears not only from the opinion of the Hebrew writers, but also from the care which the psalmist took to digest it into such accurate and alphabetical order, that it might be more easily fixed in the mind and memory of the reader.
David magnifieth God for his greatness and terrible acts, Psa_145:1-7; for his goodness and everlasting kingdom, Psa_145:8-13; for his care and providence over all, Psa_145:14-16; and for his saving mercies to them that fear him, Psa_145:17-21.
O King; or, the King, by way of eminency; the King of kings, the God by whom kings reign, and to whom I and all other kings owe subjection and obedience.