Holy Spirit of Promise

13 In whom ye also trusted, after that ye heard the word of truth, the gospel of your salvation: in whom also after that ye believed, ye were sealed with that holy Spirit of promise, 14 Which is the earnest of our inheritance until the redemption of the purchased possession, unto the praise of his glory. 15 Wherefore I also, after I heard of your faith in the Lord Jesus, and love unto all the saints, 16 Cease not to give thanks for you, making mention of you in my prayers; Ephesians 1:13-16