Parallel
2 Corinthians 1:22
Nestle 1904 Greek New Testament · Berean Standard Bible
ὁ καὶ σφραγισάμενος ἡμᾶς καὶ δοὺς τὸν ἀρραβῶνα τοῦ Πνεύματος ἐν ταῖς καρδίαις ἡμῶν
placed His seal on us, and put His Spirit in our hearts as a pledge of what is to come.