A fully realized person directly perceives the Three Marks as foundational reality rather than intellectually accepting them as doctrine.
An ordinary person relates to the Three Marks of Existence—impermanence, suffering, and non-self—primarily as intellectual concepts learned from teachings. They may understand intellectually that all things change, that clinging to experience produces dissatisfaction, and that there is no permanent, independent self. However, this understanding remains largely conceptual. The ordinary person still habitually acts as though certain things are permanent, still grasps at experiences hoping to secure lasting satisfaction, and still organizes their sense of identity around a persistent "me" that needs protection and enhancement.
The gap between intellectual knowledge and lived reality creates a kind of double bind. The ordinary person may believe in impermanence while simultaneously planning their life as though important possessions, relationships, and achievements will endure. They understand suffering is caused by craving while remaining caught in wanting. This discrepancy between belief and behavior defines the ordinary condition in Buddhism.
A fully realized person—an arhat in the Theravada tradition or a buddha in Mahayana schools—perceives the Three Marks directly, not as abstract truths but as the immediate nature of experience itself. This is not a matter of believing differently but of seeing differently. When a realized person observes any phenomenon, they perceive its arising and passing away without needing to construct an interpretation. Impermanence is not a concept applied to phenomena; it is what is transparently present in each moment.
This direct perception is described in early Buddhist texts as coming through vipassana or "insight" meditation. The Samyutta Nikaya states that the Buddha taught that liberation comes from understanding the Three Marks through direct experience, not through faith or reasoning alone. A realized person's perception operates without the filter of conceptual overlays that characterize ordinary consciousness.
Because a fully realized person perceives the Three Marks directly, they relate to experience without the defensive reactions that characterize ordinary life. When ordinary people encounter impermanence—loss, aging, change—they typically respond with denial, resistance, or despair. When they encounter the unsatisfactory nature of experience, they initiate new cycles of seeking. When they encounter the absence of a solid self, they experience anxiety and cling harder to identity.
A realized person, having thoroughly seen through these patterns, no longer initiates these reactive cycles. They accept impermanence without resistance because they have seen it so clearly that denial becomes impossible. They do not pursue happiness through grasping because they have directly perceived that this strategy fails. They do not defend a false self because they have realized there was never a self to defend. The Dhammapada describes this as the peace that comes when "all conditioning ceases."
An important distinction: recognizing the Three Marks does not make a realized person inert or detached from life in the emotional sense. The Theravada tradition, the Pali Canon, and Mahayana schools all emphasize that realized people function fully in the world. They work, relate to others, make decisions, and respond to circumstances—but without the underlying conviction that ordinary people carry: the belief that their wellbeing depends on controlling outcomes.
A realized person can plan and act, knowing that plans may not materialize. They can love others without needing those others to remain unchanged. They can engage with their experience fully precisely because they have stopped demanding that reality be other than what it is. This combination of full participation and non-attachment is sometimes called "effortless action."
Theravada Buddhism emphasizes that an arhat—a fully realized person—has experienced complete cessation of craving and ignorance regarding the Three Marks. Mahayana Buddhism adds the bodhisattva dimension: a realized being perceives the Three Marks as empty of inherent existence and uses this perception to benefit all sentient beings. Zen Buddhism points directly to the present moment's manifestation of the Three Marks without analysis. Tibetan Buddhism describes realization as perceiving emptiness, which underlies the Three Marks, as the ultimate reality.
Despite these differences in framework and emphasis, all traditions agree on a fundamental point: a realized person's relationship to the Three Marks shifts from conceptual acceptance to direct, lived understanding that transforms how they function in the world.