John Gills Exposition of the Bible Commentary - Psalms 141:5
Let the righteous smite me, it shall be a kindness ,.... Or, "smite me in kindness" F1 εν ελεει , Sept. "in misericordia", V. L. "benigne ac clementer", Michaelis. . In love; in a loving and friendly manner, which makes reproofs the more agreeable and effectual. Not the righteous God, as Arama; though he does sometimes smite his people for their sins, Isaiah 57:17 ; that is, reproves, corrects, and chastises them, and that in love and for their good; and therefore such smitings... read more
Matthew Henry's Complete Commentary - Psalms 141:5-10
Here, I. David desires to be told of his faults. His enemies reproached him with that which was false, which he could not but complain of; yet, at the same time, he desired his friends would reprove him for that which was really amiss in him, particularly if there was any thing that gave the least colour to those reproaches (Ps. 141:5): let the righteous smite me; it shall be a kindness. The righteous God (so some); ?I will welcome the rebukes of his providence, and be so far from quarrelling... read more