Huayan thought takes impermanence as a basic feature of reality, yet understands it through the lens of radical interdependence rather than as a merely tragic fact of decay. All phenomena arise only in dependence upon conditions and lack any fixed, self-existing essence; because nothing stands alone, nothing can remain unchanged. Impermanence, therefore, is not an isolated property of individual things, but the very expression of dependent origination itself. As conditions shift, the entire field of phenomena must shift with them, revealing a world that is fluid, contingent, and without any enduring core.

The image of Indra’s Net captures this vision with particular clarity. Each jewel in the net symbolizes a single phenomenon, yet each jewel reflects all the others, so that a change in one jewel alters the reflections in all. Impermanence here is not a series of disconnected flickers, but a continuous, mutual transformation in which every alteration reverberates throughout the whole. Every moment is a fresh configuration of the total web of relations, and each transient event both depends on and includes all others. In this way, the ever-changing world of phenomena and the ungraspable principle that pervades them are not in conflict, but are mutually non-obstructive.

From this perspective, impermanence is not simply a source of suffering or loss, but the dynamic display of emptiness and the condition that makes awakening possible. Because nothing is fixed, deluded views cannot ultimately solidify, and the lack of inherent existence in all things can be directly realized. Seeing that no phenomenon can be clung to as separate or lasting undermines attachment and reveals the illusory nature of rigid boundaries between self and other. Recognizing impermanence as the ceaseless, interpenetrating transformation of all things within Indra’s Net naturally supports compassion and non-attachment, since to grasp or harm any part of this web is to misunderstand both its transience and its profound interconnectedness.