We often call the formulas we can repeat — freedom, justice, family, truth — our values. Yet a spoken word does not determine an action. A real value is revealed by what evokes compassion or disgust, what costs we accept, and what we defend when nobody is checking.
In this model emotions do not oppose reason. They rapidly mark the significance of events, while reason clarifies relations, predicts consequences, and can revise that map. Both levels can fail: a feeling may be inherited or imposed, while reasoning may merely serve an existing desire.
This creates a bridge from biology to culture. Society does not invent the capacity to value, but it teaches us which objects and relations will trigger a moral response. The next question is whether arbitrary preferences can be distinguished from values with an objective basis.