He also described alchemy, along with meditation, as the sole spiritual practices that could allow one to gain immortality or to transcend.
hiː ˈɔːlsoʊ dᵻskɹˈaɪbd ˈælkəmi, ɐlˈɔŋ wɪð mˌɛdɪtˈeɪʃən, æz ðə sˈoʊl spˈɪɹɪtʃˌuːəl pɹˈæktɪsᵻz ðæt kʊd ɐlˈaʊ wˈʌn tə ɡˈeɪn ɪmɔːɹtˈælᵻɾi ɔːɹ tə tɹænsˈɛnd.