Proverbs 17:17 deepens the understanding of true friendship — a friend loves at all times, contrasting with unreliable companions in 18:24.

Proverbs 27:10 advises not to forsake a friend, preferring a neighbor over a distant relative — a parallel wisdom saying about loyal friendship.

In 2 Samuel 9:1-13, David shows extraordinary kindness to Mephibosheth for Jonathan's sake, exemplifying a friend who remains loyal beyond death.

In Matthew 26:50, Jesus calls Judas 'Friend' at the betrayal, contrasting false friendship with the loyal friend of Proverbs.

In Matthew 26:49, Judas betrays Jesus with a kiss, the ultimate contrast to a friend who sticks closer than a brother—a false friend.

In 2 Samuel 21:7, David spares Mephibosheth because of his oath to Jonathan, showing that a true friend honors commitments beyond kinship.

In 2 Samuel 17:27-29, Shobi, Machir, and Barzillai provide supplies to David in distress, acting as friends who stick close in hardship.

In 2 Samuel 1:26, David's lament for Jonathan exemplifies the friend who sticks closer than a brother, fulfilling the proverb.

In 1 Samuel 19:5, Jonathan reminds Saul of David's loyalty, showing a friend who risks his life for another—a model of faithful friendship.

In 1 Samuel 19:4, Jonathan actively defends David to Saul, embodying the friend who sticks closer than a brother by risking his own position.

In Deuteronomy 13:6, a close friend may entice to idolatry, contrasting with the reliable friend of Proverbs.

2 Samuel 15:21 records Ittai's vow to follow David even to death — a vivid picture of a friend who sticks closer than a brother.

Mark 14:31 has Peter swearing undying loyalty to Jesus, yet he later denies him — contrasting the boast with the proverb's truly faithful friend.

1 Samuel 20:17 repeats Jonathan's oath of love for David, reinforcing the bond that transcends family ties.

Job 19:14 laments that close friends and relatives have abandoned Job — the exact opposite of the proverb's faithful friend.

1 Samuel 18:1 describes Jonathan's soul-knit love for David, the quintessential friend closer than a brother.

Ruth 4:15 showcases Ruth's loyal love to Naomi, a friend who surpasses even seven sons — a perfect example of sticking closer than a brother.

In Ruth 1:14, Ruth clings to Naomi, embodying loyal friendship that sticks closer than family.

In John 15:15, Jesus calls disciples friends and reveals all, illustrating the intimacy of true friendship.

In John 15:14, Jesus defines his friends as those who obey him, showing the condition for loyal friendship.

In 2 Samuel 16:17, Absalom's question 'Is this your kindness to your friend?' echoes the proverb's call for loyal friendship.

In 1 Samuel 30:26-31, David shares spoils with his friends, demonstrating the principle of showing oneself friendly to maintain bonds.