In his work Inner Chapters of the Book of the Master Who Embraces Spontaneous Nature (317 AD), Hong argued that alchemical solutions such as elixirs were preferable to traditional medicinal treatment due to the spiritual protection they could provide.
ɪn hɪz wˈɜːk ˈɪnɚ tʃˈæptɚz ʌvðə bˈʊk ʌvðə mˈæstɚ hˌuː ɛmbɹˈeɪsᵻz spɑːntˈeɪniəs nˈeɪtʃɚ θɹˈiːhˈʌndɹɪd sˈɛvəntˌiːn ˌeɪdˈiː, hˈɑːŋ ˈɑːɹɡjuːd ðæt ælkˈɛmɪkəl səlˈuːʃənz sˈʌtʃ ɐz ᵻlˈɪksɚz wɜː pɹɪfˈɜːɹəbəl tə tɹɐdˈɪʃənəl mədˈɪsɪnəl tɹˈiːtmənt dˈuː tə ðə spˈɪɹɪtʃˌuːəl pɹətˈɛkʃən ðeɪ kʊd pɹəvˈaɪd.