And be found in him, not having my own righteousness, which is of the law, but that which is through the faith of Christ, the righteousness which is of God by faith:
All Commentaries on Philippians 3:9 Go To Philippians 3
Augustine of Hippo
AD 430
Now what does he mean, “not having my own righteousness,” when that law was not his but God’s? He can only have called it his own righteousness because, although it was from the law, he used to think that he could fulfill it without the aid of the grace that is through Christ.