Unlike theoretical wisdom (sophia) concerned with eternal truths, or technical skill (techne) that produces objects, phronesis deals with contingent practical matters—the realm of human action where universal rules must be applied to particular circumstances.
The person possessing phronesis can perceive what action a situation calls for, deliberate about means to worthy ends, and choose appropriately. This requires experience, good character, and sensitivity to context. Rules and principles guide but cannot replace the discernment needed in concrete situations.
Aristotle considered phronesis essential to virtue. Courage without practical wisdom becomes recklessness; generosity without it becomes wastefulness. Phronesis integrates knowledge with character, ensuring that right judgment leads to right action.
The concept has influenced professional ethics, decision theory, and moral education, reminding us that wisdom is not merely knowing but knowing how to act rightly in the complex circumstances of actual life.
Source
Nicomachean Ethics - Aristotle