Theodoret of Cyr on Predestination

Those whose intention God foreknew he predestined from the beginning. Those who are predestined, he called, and those who were called, he justified by baptism. Let no one say that God’s foreknowledge was the unilateral cause of these things. For it was not foreknowledge which justified people, but God knew what would happen to them, because he is God.

Interpretation of the Letter to the Romans