2 Thessalonians 3:6–15: Discipline as Brotherly Admonition
Paul instructs the Thessalonians to withdraw from a professing brother whose rebellion is a settled pattern, and in the same breath to keep admonishing him as a brother. The aim is shame that leads to restoration, not contempt that treats him as an enemy.
Hebrews 13:1–3: Let Brotherly Love Continue
Hebrews 13:1–3 treats love as an ongoing practice that can weaken and needs reminding. The commands call believers to keep loving one another, welcome strangers, and remember prisoners and the ill-treated as people who share the same bodily vulnerability.
1 John 3 Bible Study: Love in Action and Truth
John measures love by the cross and turns it into open hands toward a brother in need. He also refuses to let your heart's verdict be the final word, because God is greater than your heart.