hiː ɛksplˈeɪnz ðæt ɪn ðɪs ɛndˈɛvɚ ðə pˈɑːzɪtˌɪvɪsts kˌɑːntɹədˈɪkt ðɛmsˈɛlvz baɪ bˈɑːɹoʊɪŋ ɐ mˌɛɾəfˈɪzɪkəl nˈoʊʃən tə dᵻstɹˈɔɪ ðɪ aɪdˈiə ʌv mˌɛɾəfˈɪzɪks.sˈɪksti nˈaɪn sˈædɚɹ ɐdmˈɪts təwˈɔːɹdz ðɪ ˈɛnd ʌvðə tʃˈæptɚ ðˈæt "ɹˈæʃənəlˌɪst fɪlˈɑːsəfi ɐsˈɪsts ðɪ ɛmpˈɪɹɪkəl mˈɛθəd ɪn sˈaɪəns baɪ mˈiːnz ʌv ɹˈæʃənəl pɹˈɪnsɪpəlz ænd ɹˈuːlz wˌɪtʃ ðə sˈaɪəntɪst ɛmplˈɔɪz fɚðə pˈɜːpəs ʌv mˈuːvɪŋ fɹʌm dᵻɹˈɛkt ɛkspˈiəɹɪəns tʊ ɐ dʒˈɛnɚɹəl saɪəntˈɪfɪk lˈɔː".sˈɛvənti wˈʌn
He explains that in this endeavour the positivists contradict themselves by borrowing a metaphysical notion to destroy the idea of metaphysics.(69) Sadr admits towards the end of the chapter that "[rationalist] philosophy assists the empirical method in science by means of rational principles and rules which the scientist employs for the purpose of moving from direct experience to a general scientific law".(71)