Fair, and glad we can agree Augustine didn't fully hold Reformed perseverance. Do you read the same descriptions of varied graces and varied states of man's grace within that writing though too? Or just the parts you read as seeds to your theology? Seeds is a fair word maybe, but only if you cherry pick it. But Catholics emphasize that Augustine held full Catholic theology; his doctrine of grace is quite literally the Catholic doctrine of grace. The Council of Orange (529) codified his anti-Pelagian writings as binding teaching. Specifically: Grace precedes all good will (Orange Canon 5 = Augustine) Even the beginning of faith is gift (Orange Canon 6 = Augustine) Free will cooperates with grace, doesn't initiate it (Orange Canon 7 = Augustine) Perseverance is a separate gift requiring continual divine help (Orange + Augustine throughout) Augustine's doctrine of justification is also quite literally the Catholic doctrine of justification, full stop. He holds: Justification is making righteous, not merely declaring righteous (transformative, not forensic). Justification involves real interior renewal by infused grace. Justification can be increased through cooperation with grace. Justification can be lost through mortal sin Final perseverance is a separate gift unknowable in this life. Every single one of those is Catholic teaching. Calvin even had to say Augustine was wrong on justification because he categorized regenerating grace under sanctification, which is the Catholic move, not the Reformed move. Calvin specifically faults Augustine for not separating justification and sanctification the way the Reformed system requires. (Institutes 3.11.15) Augustine doesn't just hold "seeds" of Catholic theology on these doctrines. He holds the substance. His framework on grace, justification, merit, free will, perseverance, and sacramental causation is the framework the Catholic Church formally adopted at Orange, developed at Trent, and teaches in the Catechism today. He is the most cited Father in the entire Catechism.