Link Proverbs 13:20 to 2 Samuel 13:3.
How does Proverbs 13:20 relate to the influence seen in 2 Samuel 13:3?

Key Scriptures

Proverbs 13:20 – “He who walks with the wise will become wise, but the companion of fools will be destroyed.”

2 Samuel 13:3 – “But Amnon had a friend named Jonadab, the son of David’s brother Shimeah. Jonadab was a very shrewd man.”


Walking with the Wise: The Principle

• God establishes a simple cause-and-effect: our companions shape our character.

• “Walks with” points to daily, habitual association.

• “Companion of fools” is not neutral; it carries us toward the same foolish outcome—“will be destroyed.”


Jonadab: A Toxic Friend

• Jonadab’s shrewdness was cunning, not godly wisdom.

• He observed Amnon’s lust for Tamar (2 Samuel 13:4) and supplied a deceptive plan (vv. 5–6).

• Jonadab’s counsel pushed Amnon to sin he might never have attempted alone.


Seeing the Connection

Proverbs 13:20 warns that foolish company leads to ruin; 2 Samuel 13 shows that ruin in vivid narrative form.

• Amnon “walked with” Jonadab—accepting, trusting, and acting on his advice.

• The result tracked exactly with the proverb:

– Moral destruction: Amnon raped Tamar (v. 14).

– Relational destruction: Tamar’s life was shattered (v. 19), Absalom’s anger ignited (v. 22).

– Physical destruction: Absalom later killed Amnon (2 Samuel 13:28-29).


Consequences of Foolish Companionship

• Sin multiplies; one bad friendship influenced an entire royal family.

• Cunning can masquerade as wisdom—discernment is vital (James 3:13-17).

• Bad counsel often appeals to desire, not obedience (James 1:14-15).


Reinforcing Scriptures

1 Corinthians 15:33 – “Do not be deceived: ‘Bad company corrupts good character.’”

Psalm 1:1 – Blessing comes to the one who “does not walk in the counsel of the wicked.”

Proverbs 12:26 – “The righteous choose their friends carefully.”

Proverbs 22:24-25 – Friendship with a hot-tempered person ensnares.


Practical Takeaways for Today

• Evaluate your inner circle: are they drawing you to Christ or to compromise?

• Seek mentors marked by godly wisdom, humility, and proven obedience.

• When counsel pushes you to cloak sin, recognize Jonadab’s voice and flee.

• Remember that influence is contagious; choose to spread righteousness, not ruin.

What can we learn about choosing friends from Amnon's relationship with Jonadab?
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