Nietzsche’s idea here reflects his belief that art is not just something humans create—it’s a fundamental part of nature and human experience. In The Birth of Tragedy, he explores two primary forces in Greek culture: the Apollonian, which represents order and rationality, and the Dionysian, which embodies chaos, emotion, and unity with nature.

In this passage, Nietzsche suggests that through Dionysian experiences—moments of intense emotion, ecstasy, or intoxication—a person transcends individual identity and becomes a "work of art" shaped by the same natural forces that create beauty and creativity. Rather than controlling art, people become a part of the artistic energy of the universe. It's a poetic way of saying that in these moments, we are no longer creators but expressions of the creative energy of life itself.