Why did Georg Wilhelm Friedrich Hegel consider art, religion, and philosophy forms of Absolute Spirit?

Georg Wilhelm Friedrich Hegel viewed art, religion, and philosophy as forms of Absolute Spirit because he conceived of reality as a dynamic, unfolding process in which the "World-Spirit" seeks to know and realize itself.12

In Hegel’s system, the Absolute is not a static entity but a conscious agent that develops through a dialectical process. This evolution involves the Spirit expressing itself in the world, encountering limitations, and ultimately overcoming them to achieve self-knowledge. Art, religion, and philosophy represent the final stage of this development, where the Spirit achieves its highest level of self-consciousness.3412

• Art expresses the Absolute through sensory imagery.4
• Religion represents the truth in the form of imagery and faith.4
• Philosophy provides the ultimate realization, where the "veil" of imagery is removed, allowing the Spirit to comprehend itself as pure thought and intelligibility.4

By manifesting in these cultural forms, the Absolute Spirit completes its quest to conquer its own self-alienation and recognize the entire universe as a rational, spiritual whole.34