Ephesians 1:13–14
13 In him you also, when you vheard the wword of truth, the gospel of your salvation, and believed in him, were xsealed with ythe promised Holy Spirit, 14 who is the zguarantee1 of our inheritance until we acquire possession of it,2 to the praise of his glory.
Ephesians 4:30
30 And ldo not grieve the Holy Spirit of God, by whom you were msealed for the nday of redemption.