Original Verse:
1st Thessalonians Chapter 3 Verse 13to the end he may establish your hearts blameless in holiness before our God and Father, at the coming of our Lord Jesus with all his saints.

Reference Verses:
1st Thessalonians Chapter 5 Verse 23May the God of peace himself sanctify you completely. May your whole spirit, soul, and body be preserved blameless at the coming of our Lord Jesus Christ.
Zechariah Chapter 14 Verse 5You shall flee by the valley of my mountains; for the valley of the mountains shall reach to Azel; yes, you shall flee, just like you fled from before the earthquake in the days of Uzziah king of Judah. Yahweh my God will come, and all the holy ones with you.
James Chapter 5 Verse 8You also be patient. Establish your hearts, for the coming of the Lord is at hand.
1st Corinthians Chapter 1 Verse 8who will also confirm you until the end, blameless in the day of our Lord Jesus Christ.
Luke Chapter 1 Verse 6They were both righteous before God, walking blamelessly in all the commandments and ordinances of the Lord.