In it, she presented her solution to the is–ought problem by describing a meta-ethical theory that based morality in the needs of "man's survival qua man".
ɪn ɪt, ʃiː pɹɪzˈɛntᵻd hɜː səlˈuːʃən tə ðɪ ɪz ˈɔːt pɹˈɑːbləm baɪ dᵻskɹˈaɪbɪŋ ɐ mˈɛɾəˈɛθɪkəl θˈiəɹi ðæt bˈeɪst mɔːɹˈælᵻɾi ɪnðə nˈiːdz ʌv "mˈænz sɚvˈaɪvəl kwˈɑː mˈæn".