That "works" heresy has been refuted 1000 times, but you can't stop pounding that stupid drum.
Let me ask you a question. What are you doing to not fall away?
When, exactly does the "until the redemption of those who are God's possession" occur? Does "until the redemption" mean instantly? Since when does redemption equal salvation? I see you ran from the question.
First resurrection and rapture.
"you were marked in him with a seal, the promised Holy Spirit," refers to the Sacrament of Confirmation, and the word "confirmation" has more that one application. Well, you sure proved me wrong; you found the word "confirmation" in the Bible. Good for you. Too bad the way you cherry pick a word has nothing to do with the laying on of hands, which you deny.
The Sacrament of Confirmation? I don't even know what that is, sounds like a religious term. Epostle1, being marked with the HS is in reference to the indwelling HS inside the believer. And by the way, Heb 6:16-20 is swimming in OSAS.
Acts 8:14 Now when the apostles at Jerusalem heard that Samaria had accepted the word of God, they sent Peter and John to them. 15 The two went down and prayed for them that they might receive the Holy Spirit 16 (for as yet the Spirit had not come upon any of them; they had only been baptized in the name of the Lord Jesus). 17 Then Peter and John laid their hands on them, and they received the Holy Spirit. (that you stubbornly deny)
BELIEF AND CONFESSION COMES FIRST, NOT LAST.
Acts 19:5-65 On hearing this, they were baptized in the name of the Lord Jesus. (STEP 1) 6 When Paul had laid his hands on them, (THAT YOU STUBBORNLY DENY) the Holy Spirit came upon them, and they spoke in tongues and prophesied—(STEP 2)
Eph. 4:30 In him you also, when you had heard the word of truth, (STEP 1)
the gospel of your salvation, and had believed in him, (STEP 2)
were marked with the seal of the promised Holy Spirit; (STEP 3)
Epsotle1, placing on hands is not a condition for salvation. Paul just happened to be there with the people. You can believe and confess anywhere in your life. You don't need someone beside you placing hands on you. God accepts you right where you are in life.
You have lost all sense of order.