In Sailing to Byzantium why does the speaker want to be transformed into such a form as Grecian goldsmiths make of hammered gold and gold enameling?

In "Sailing to Byzantium," the speaker yearns to be transformed into a form crafted by Grecian goldsmiths to escape the decay of aging and the limitations of the physical body. The imagery of hammered gold and gold enameling symbolizes enduring beauty and artistic permanence, contrasting with the transience of human life. This transformation represents a desire for immortality through art and a connection to a timeless cultural legacy, allowing the speaker to transcend the inevitability of death. Ultimately, it reflects a quest for a more profound existence beyond the ephemeral nature of youth and sensuality.