Cathay Jan Pieterszoon Coen to embark on an "unfortunate" (for the Dutch) policy of treating the Ming Empire as "merely another 'oriental' kingdom". The last nail into the coffin of the idea of there being a Cathay as a country separate from China was, perhaps, driven in 1654, when the Dutch Orientalist Jacobus Golius met with the China-based Jesuit Martino Martini, who was passing through Leyden. Golius knew no Chinese, but he was familiar with "Zij-i Ilkhani", a work by the Persian astronomer Nasir al-Din al-Tusi, completed in 1272, in which he described the Chinese ("Cathayan") calendar. Upon meeting Martini, Golius
Đại Cathay and swallow a live cockroach in front of his crew, which Cathay vomited in disgust. Despite that, he still would not incriminate his fellow brothers and sisters. In face of such stubbornness, the police sent Đại to the Thủ Đức Juvenile Reformatory. These reformatory facilities’ sole purpose however was to house kids until they became old enough to be conscripted into the military, earning them a reputation as a "birthplace of thugs". It was in these halls that Cathay later befriended some of his later comrades that would assist him during his reign of Saigon. After leaving the reformatory, Cathay