John Gill
INTRODUCTION TO Psalms 15 A Psalm of David. As in the preceding psalm, according to Theodoret, the salvation of the inhabitants of Jerusalem is foretold, and the liberty of the captives; so in this advice is given to them, and the life they ought to live proposed, who should share in such benefits.
John Gill
[He that] putteth not out his money to usury,.... To the poor, in an extravagant and exorbitant way, by which he bites, devours, and destroys his little substance, and sadly afflicts and distresses him; see Exodus 22:25; otherwise, to lend money on moderate interest, and according to the laws, customs, and usages of nations, and to take interest for it, is no more unlawful than to take interest...
Matthew Henry
The scope of this short but excellent psalm is to show us the way to heaven, and to convince us that, if we would be happy, we must be holy and honest. Christ, who is himself the way, and in whom we must walk as our way, has also shown us the same way that is here prescribed, Matt. xix. 17. "If thou wilt enter into life, keep the commandments." In this psalm, I. By the question (ver. 1) we are...