As the evening winds down, and the philosophers reflect on the nature of a good life, they turn their attention to the actions and decisions made throughout the night. Considering Aristotle's emphasis on virtues, Kant's on duty, and Mill's on happiness, which statement best encapsulates the guiding principle for living well according to all three?
a. Adhere to religious doctrines as the ultimate guide for moral action.
b. Live in a way that strictly follows societal and legal norms.
c. Make decisions that balance personal virtues, universal principles, and the happiness of others.
d. Focus solely on personal pleasure and satisfaction as the markers of a good life.