Proverbs 1:5 states that the wise will increase in learning — this is the same outcome as the second half of Proverbs 21:11: instruction benefits the wise.

Proverbs 9:9 explicitly says teaching a wise man makes him wiser — directly parallel to Proverbs 21:11's claim that a wise man gains knowledge from instruction.

Proverbs 18:15 says the intelligent heart acquires knowledge and the ear of the wise seeks it — matching Proverbs 21:11's second half about the wise gaining knowledge.

Proverbs 19:25 restates the same proverb verbatim — punishing a scorner makes the simple wary, and instructing the wise gives knowledge.

Proverbs 1:22 identifies the scoffer and simple whose dynamic is at work here—punishment of the scoffer teaches the simple.

Numbers 16:34 records Israel fleeing in terror after Korah's punishment — a historical illustration of the simple becoming wise from seeing judgment.

Deuteronomy 13:11 prescribes capital punishment for apostasy so that all Israel will hear, fear, and stop — directly matching the proverb's deterrent effect.

Deuteronomy 21:21 commands stoning of a rebellious son so all Israel will hear and fear — same principle of punishment making others wise.

Psalm 64:7-9 depicts God striking the wicked, causing observers to fear and consider His deeds — a poetic example of the simple learning.

Acts 5:5 records Ananias' sudden death for lying, and great fear on all who heard — a NT instance of punishment teaching the simple.

1 Corinthians 10:6-11 explains OT punishments were written as examples to warn us — directly applying the proverb's teaching that the simple learn from punishment.

In Revelation 11:13, the earthquake and deaths cause the survivors to fear and glorify God — exactly the 'punishment makes the simple wise' pattern of Proverbs 21:11.