Isa 46:10, 2 Thess 2:13-14, 1 Pt 2:9, 2 Tim 1:9
God foretells what He will accomplish. (Isa 46:10)
Isa 46:10 Declaring the end from the beginning, and from ancient times the things that are not yet done, saying, My counsel shall stand, and I will do all my pleasure:
God has chosen us from the beginning to believe in Jesus as the Christ and to be sealed by the Holy Spirit. (Eph 1:11-13, 2 Thes 2:13-14, 2 Tim 1:9)
Eph 1:11 In whom also we have obtained an inheritance, being predestinated according to the purpose of him who worketh all things after the counsel of his own will: 12 That we should be to the praise of his glory, who first trusted in Christ. 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,
2 Thes 2:13 But we are bound to give thanks alway to God for you, brethren beloved of the Lord, because God hath from the beginning chosen you to salvation through sanctification of the Spirit and belief of the truth: 14 Whereunto he called you by our gospel, to the obtaining of the glory of our Lord Jesus Christ.
2 Tim 1:9 Who hath saved us, and called us with an holy calling, not according to our works, but according to his own purpose and grace, which was given us in Christ Jesus before the world began,
We are sealed with the Holy Spirit to praise God and to preach the gospel of Christ. (Eph 1:14, 1 Pt 2:9)
Eph 1:14 Which is the earnest of our inheritance until the redemption of the purchased possession, unto the praise of his glory.
1 Pt 2:9 But ye are a chosen generation, a royal priesthood, an holy nation, a peculiar people; that ye should shew forth the praises of him who hath called you out of darkness into his marvellous light;