Who has also sealed us, and given the earnest of the Spirit in our hearts.
All Commentaries on 2 Corinthians 1:22 Go To 2 Corinthians 1
Cyril of Jerusalem
AD 386
To realize that Paul was filled with the Holy Spirit, and like him all the apostles, and all who after them believe in Father, Son and Holy Spirit, pay attention to the clear words of Paul himself. … “God who also stamped us with his seal and gave us the Spirit as a pledge.”