Who hath also sealed us, and given the earnest of the Spirit in our hearts. Who hath also sealed us - Not only deeply impressed His truth and image upon our hearts; but, by the miraculous gifts of the Holy Spirit, attested the truth of our extraordinary unction or calling to the ministry.
And given the earnest of the Spirit - Τον αρραβωνα του Πνευματος. From this unction and sealing we have a clear testimony in our souls, the Divine Spirit dwelling constantly in us, of our acceptance with God, and that our ways please him. The αρῥαβων of the apostle is the same as the ערבן erabon of Moses, Genesis 38:17, Genesis 38:18, Genesis 38:20, which we there translate pledge. The word properly signifies an earnest of something promised; a part of the price agreed for between a buyer and seller, by giving and receiving of which the bargain was ratified; or a deposit, which was to be restored when the thing promised was given. From the use of the term in Genesis, which the apostle puts here in Greek letters, we may at once see his meaning above, and in Ephesians 1:14; the Holy Spirit being an earnest in the heart, and an earnest of the promised inheritance means a security given in hand for the fulfillment of all God's promises relative to grace and eternal life. We may learn from this, that eternal life will be given in the great day to all who can produce the arrhabon, or pledge. He who is found then with the earnest of God's Spirit in his heart, shall not only be saved from death, but have that eternal life of which it is the pledge, the earnest, and the evidence. Without this arrhabon there can be no glory. See the whole case of Judah and Tamar, Genesis 38:15 (note), etc., and the notes there.