3 Praise be to the God and Father of our Lord Jesus Christ, who has blessed us in the heavenly realms with every spiritual blessing in Christ. 4 For he chose us in him before the creation of the world to be holy and blameless in his sight. In love 5 he predestined us for adoption to sonship through Jesus Christ, in accordance with his pleasure and will— 6 to the praise of his glorious grace, which he has freely given us in the One he loves. (Ephesians 1:3-6).
The doctrines of election and predestination are always a torrential topic of debate, esp. over divine sovereignty and free will, Calvinists vs. Arminians, and how do you know who is elect, etc.
I certainly place myself in the Calvinist tradition - hey, I’ve read Ephesians 1! - but I’m becoming increasingly convinced that God’s plan and purposes, divine decrees and determinations, can never be abstracted apart from God’s purposes in Christ.