Like the Greeks before him, Bacon acknowledged the division of alchemy into practical and theoretical spheres.
lˈaɪk ðə ɡɹˈiːks bᵻfˈoːɹ hˌɪm, bˈeɪkən ɐknˈɑːlɪdʒd ðə dᵻvˈɪʒən ʌv ˈælkəmi ˌɪntʊ pɹˈæktɪkəl ænd θiəɹˈɛɾɪkəl sfˈɪɹz.