Better an open rebuke than love that is concealed.
Note, 1. It is good for us to be reproved, and told of our faults, by our friends. If true love in the heart has but zeal and courage enough to show itself in dealing plainly with our friends, and reproving them for what they say and do amiss, this is really better, not only than secret hatred (as Lev 19:17), but than secret love...
Commenting on Proverbs 27:5-6
Open rebuke is better than secret love. This is to be understood, not of rebuke publicly given; though Aben Ezra thinks public reproof is meant, which, arising from love, is better than that which is done in secret, though in love, as being more effectual; for rebuke among friends should be given privately, according to our Lord's direction, Mat 18:15; but it signifies reproof given...
secret love--not manifested in acts is useless; and even, if its exhibition by rebukes wounds us, such love is preferable to the frequent (compare Margin), and hence deceitful, kisses of an enemy.