Public reproof hardens shame. [ Proverb ]

Reproof never does a wise man any harm. [ Proverb ]

He is well onward in the way of wisdom who can bear reproof, and mend by it. [ Proverb ]

No reproof or denunciation is so potent as the silent influence of a good example. [ Hosea Ballou ]

Parents deserve reproof when they refuse to benefit their children by severe discipline. [ Petronius Arbiter ]

The heart of every man lies open to the shafts of reproof if the archer can but take a proper aim. [ Goldsmith ]

Great, ever fruitful; profitable for reproof, for encouragement, for building up in manful purposes and works, are the words of those that in their day were men. [ Carlyle ]

Education does not commence with the alphabet; it begins with a mother's look, with a father's nod of approbation, or a sign of reproof; with a sister's gentle pressure of the hand, or a brother's noble act of forbearance. [ G. A. Sala ]