2 Thessalonians 3:18
The grace of our Lord Jesus Christ be with all of you.
What it says
Paul ends by speaking the grace of the Lord Jesus Christ over them all.
What it is doing
It closes the letter with grace.
In context
16Now may the Lord of peace Himself give you peace at all times and in every way. The Lord be with all of you. 17This greeting is in my own hand — Paul. This is my mark in every letter; it is the way I write. 18The grace of our Lord Jesus Christ be with all of you.