Later, he took on a concubine which bore him a son, Adeodatus (Book 4, Chapter 2) "In those years I lived with a woman who was not bound to me by lawful marriage; she was one who had come my way because of my wandering desires and my lack of considered judgment; nevertheless, I had only this one woman and I was faithful to her" (Book 4, Chapter 2). However, when his concubine was shipped off to Africa so as not to be a hindrance to his planned marriage, he quickly replaced her with another woman despite the fact that his former concubine had pledged a vow of chastity. "I had two years to wait until I could have the girl to whom I was engaged, and I could not bear the delay. So, since I was not so much a lover of marriage as a slave to lust, I found another woman for myself-not of course, as a wife" (Book 6, Chapter 16).
Augustine's first religious involvement was with the Manichees, a heretical Christian sect. They were troubled by an apparent inconsistency in orthodox Christian belief. How, the Manichees wondered, could a good and omnipotent God have created evil? Manichees concluded that God was not omnipotent and that evil was a separate force from God. Thus, sin was not the fault of the sinner, but rather of the evil itself.
Augustine continued with the Manichee faith for nine years of his life. According to his Confessions; however, he did not lead a satisfied life as a Manichee. "On the one hand I and my friends would be hunting after the empty show of popularity-theatrical applause from the audience, verse competitions, contests for crowns of straw, the vanity of the stage, immoderate lusts-and on the other hand we would be trying to get clean of all this filth by carrying food to those people who were called "the elect" and "the holy ones," so that in the factory of their own stomachs they could turn this food into angels and gods, by whose aid we should be liberated" (Book 4, Chapter 1).