John 13:35 identifies love as the mark of discipleship, reinforcing the importance of love that concludes the virtue list in 2 Peter 1:7.

Romans 12:10 urges devoted love and honoring others, expanding on the mutual affection and love in 2 Peter 1:7.

In 1 Corinthians 13:1-8, love is portrayed as the greatest gift—expanding on the 'love' listed here as the final virtue in the chain.

John 13:34 gives Jesus’ command to love one another as He loved, directly paralleling the mutual affection and love in 2 Peter 1:7.

In 1 John 4:21, the command to love brother is linked to loving God — echoing the progression from brotherly kindness to love in the chain.

In 1 John 3:16, Christ's sacrificial love is the model for the love that follows brotherly affection in this list.

In Colossians 3:14, love is the bond of perfection—directly paralleling the climactic role of love in this virtue list.

In 1 John 3:14, loving brothers is evidence of passing from death to life—giving a powerful motive for adding brotherly love.

In 1 Peter 3:8, Peter urges believers to be brotherly (philadelphoi) — the same Greek root as 'brotherly kindness' in the virtue chain.

In 1 Peter 1:22, Peter ties purified hearts to genuine brotherly love, showing the same progression from holiness to love.

In Hebrews 13:1, the command 'Let brotherly love continue' directly echoes the same term used here, emphasizing its ongoing importance.

In 1 Corinthians 13:4, Paul describes love's attributes — expanding on the agape that culminates Peter's virtue chain.

In 2 John 1:5, John reiterates the commandment to love one another — the same agape Peter places at the chain's summit.

In 1 Peter 4:8, Peter stresses fervent love for one another, which covers sins — a direct parallel to the love in the chain.

In Revelation 2:19, the same cluster of virtues (love, faith, service, patience) is commended, reinforcing the value of the growth Peter urges.

In 1 Peter 2:17, the call to 'love the brotherhood' reinforces the virtue of brotherly affection as a practical command.

In 1 Thessalonians 4:10, Paul urges believers to increase their love for all brothers—mirroring the brotherly affection listed here as a virtue to cultivate.

1 Thessalonians 4:9 says believers are taught by God to love, adding divine origin to the love in 2 Peter 1:7.

1 Thessalonians 3:12 prays for love to overflow, showing the desired growth of the love mentioned in 2 Peter 1:7.

In Ephesians 4:32, Paul exhorts kindness and forgiveness — practical expressions of brotherly kindness and love.

In Galatians 6:10, doing good especially to fellow believers applies the brotherly love from this verse to daily action.

In 1 Timothy 1:5, Paul states love is the goal of instruction — aligning with love as the chain's final virtue.

In 1 Thessalonians 5:15, seeking good for one another puts the brotherly affection here into concrete practice.

In 1 Corinthians 16:14, Paul urges all actions be done in love — reflecting the ultimate role of love in the chain.

In 1 Corinthians 14:1, Paul commands to pursue love — an active counterpart to adding love in the chain.