Proverbs 29:15

15 The rod and sharp words give wisdom: but a child who is not guided is a cause of shame to his mother.

Proverbs 29:15 In-Context

13 The poor man and his creditor come face to face: the Lord gives light to their eyes equally.
14 The king who is a true judge in the cause of the poor, will be safe for ever on the seat of his power.
15 The rod and sharp words give wisdom: but a child who is not guided is a cause of shame to his mother.
16 When evil men are in power, wrongdoing is increased; but the upright will have pleasure when they see their downfall.
17 Give your son training, and he will give you rest; he will give delight to your soul.
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