In his City of God, this Christian philosopher first rebukes that notion that Christianity was the cause of the fall of Rome and goes on to describe the differences between the City of God and  the City of Man, to argue his theology on numerous points such as concerning the fallen nature of man, the evil of  naturalistic, uncontrolled sexuality
In his On Free Choice of the Will, this man argues with Evodius that free will and god's omnipotence, while seemingly contradictory at first, are nevertheless compatible. In his City of God, this Christian philosopher first rebukes that notion that Christianity was the cause of the fall of Rome and goes on to describe the differences between the City of God and  the City of Man, to argue his theology on numerous points such as concerning the fallen nature of man, the evil of  naturalistic, uncontrolled sexuality and=2 0the linearity of history, and to incorporate ideas of Platonism into  Christianity. FTP, name this Bishop of Hippo Regius, author of the autobiographical Confessions, who was born in 354  AD and is an early Saint of the Catholic Chuch.
In his On Free Choice of the Will, this man argues with Evodius that free will and god's omnipotence, while seemingly contradictory at first, are nevertheless compatible.
St. Augustine