Deep in crucibles and athanors alchemists searched for the Philosopher’s Stone that would change base metals into pure gold…

But wasn’t alchemy an even more mysterious pathway?

The origin was the “Emerald Tablet” of Hermes Trismegistus, an enigmatic teaching which the Arab world would later say was the great internal principle of the Great Work.
“Man is the microcosm, creation the macrocosm – the unity. All comes from One. By the joining of the power of contemplation all can be attained. First this essence must be separated from the body, then combined with the body. This is the Work. Start with yourself, end with all. Before man, beyond man, transformation.”

Introduction to the Perception of Jafar Sadiq, illustrious Sufi

A “Corner stone” in architecture, the “Philosopher’s stone” in alchemy…

In the Arab language the world “stone” has a “hidden” dimension; wasn’t the search for the Philosopher’s Stone the search for the essence of man, divine like “the brightness of the sun”?