According as he has chosen us in him before the foundation of the world, that we should be holy and without blame before him in love:
All Commentaries on Ephesians 1:4 Go To Ephesians 1
Ambrosiaster
AD 400
God, foreknowing all, knew who were going to believe in Christ. … Therefore those whom God is said to call will persevere in faith. These are the ones whom he elected before the world in Christ, so that they might be blameless before God through love—that is, so that the love of God might give them holy lives. For no one can show greater respect toward another than when he obeys in love.