Seal of Certainty of Divine Approval

Scripture references

Joh 6:27 Do not work for food that perishes, but for food that endures to eternal
Rom 15:28 So after I have completed this service and have safely delivered this
2Co 1:22 placed His seal on us, and put His Spirit in our hearts as a pledge of
Eph 1:13 And in Him, having heard and believed the word of truth—the gospel of your
Eph 4:30 And do not grieve the Holy Spirit of God, in whom you were sealed for the
Rev 7:3, 4 “Do not harm the land or sea or trees until we have sealed the foreheads