Final answer:
Augustine believed he had two rival wills, one for good and one for sin, and divine grace was necessary to resolve the conflict between them with humans retaining the power of choice.
Step-by-step explanation:
According to Augustine, he perceived an inner conflict as a battle between two rival wills: one that inclines towards the good and one that desires sinfulness. Augustine thought that only divine grace could resolve this struggle, although humans have the power to decide whether to sin or not. His perspectives on free will were an attempt to reconcile the concept of individual freedom within a preordained divine plan, highlighting the complexities of human nature and moral choice.