" The heart hid still in the dark, hard as the Philosopher’s Stone. "
- Paul Celan

In the quote under consideration, Paul Celan speaks about a heart that remains concealed within darkness but possesses an unyielding hardness akin to that of the Philosopher's Stone. This suggests that the heart, despite being shrouded in secrecy or emotional pain, maintains a steadfast and resilient quality much like this mythical alchemical substance.

The deeper interpretation reveals a profound meditation on resilience and strength in the face of adversity. The Philosopher’s Stone is traditionally associated with transformation and overcoming challenges to achieve enlightenment or perfection. By likening the heart to this stone, Celan conveys that even when emotions are hidden away or buried deep within personal turmoil, there exists an underlying core of perseverance and fortitude. This resilience implies a capacity for endurance and potential transformation, suggesting that concealed feelings or experiences can still be sources of strength rather than weaknesses.

Paul Celan was a renowned Romanian-born Jewish poet who wrote in German and is best known for his powerful, often enigmatic poetry which grapples with the legacy of the Holocaust. His works frequently explore themes of sorrow, loss, and the indomitable human spirit in the face of great suffering. This background illuminates the context in which Celan might have used such evocative imagery to encapsulate complex emotions and experiences.