Ephesians 4:30

30 ^aAnd do not grieve the Holy Spirit of God, ¹by whom you were ^bsealed for the day of redemption.

2 Timothy 2:19

19 Nevertheless, the ^afirm foundation of God stands, having this ^bseal, “^cThe ¹Lord knows those who are His,” and, “^dEveryone who names the name of the ²Lord is to ^edepart from wickedness.”