1 Thessalonians 5:26
Greet all the brothers with a holy kiss.
What it says
He tells them to greet all the brothers with a holy kiss.
What it is doing
It gives the closing a concrete expression of shared affection.
In context
23Now may the God of peace Himself sanctify you completely, and may your entire spirit, soul, and body be kept blameless at the coming of our Lord Jesus Christ. 24The One who calls you is faithful, and He will do it. 25Brothers, pray for us as well. 26Greet all the brothers with a holy kiss. 27I charge you before the Lord to have this letter read to all the brothers. 28The grace of our Lord Jesus Christ be with you.