hiː ɪz bˈɛst nˈoʊn fɔːɹ hɪz θiəɹˈɛɾɪkəl wˈɜːk ɹᵻɡˈɑːɹdɪŋ ðɪ ɛɡzˈɪstəns, kˌæɹɪktɚɹˈɪstɪks ænd ɹˈɛlᵻvəns ʌv jˌuːnɪvˈɜːsəlz ʌv hjˈuːmən nˈeɪtʃɚ.
He is best known for his theoretical work regarding the existence, characteristics and relevance of universals of human nature.