In an 1882 letter he wrote that "Linnaeus and Cuvier have been my two gods, though in very different ways, but they were mere schoolboys to old Aristotle".
ɪn æn wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd ˈeɪɾi tˈuː lˈɛɾɚ hiː ɹˈoʊt ðˈæt "lˈɪniːəs ænd kˈʌviɚ hɐvbɪn maɪ tˈuː ɡˈɑːdz, ðˌoʊ ɪn vˈɛɹi dˈɪfɹənt wˈeɪz, bˌʌt ðeɪ wɜː mˈɪɹ skˈuːlbɔɪz tʊ ˈoʊld ˈæɹɪstˌɑːɾəl".