Complex sentence: Augustine supported Plato's view that a well-ordered soul is a desirable consequence of morality; unlike Plato, he believed that achieving a well-ordered soul had a higher purpose: living in accordance with God's commands.
Split into simpler sentences: Augustine supported Plato's view that a well-ordered soul is a desirable consequence of morality. However, unlike Plato, he believed that achieving a well-ordered soul had a higher purpose: living in accordance with God's commands.