He invoked Sartre for his central thesis:[Sartre] looked at Descarte's statement "I think, therefore I am" very deeply and suddenly realized, in his own words, “The consciousness that says ‘I am’ is not the consciousness that thinks.
hiː ɪnvˈoʊkt sˈɑːɹɾɚ fɔːɹ hɪz sˈɛntɹəl θˈiːsɪs:sˈɑːɹɾɚ lˈʊkt æt dᵻskˈɑːɹts stˈeɪtmənt "aɪ θˈɪŋk, ðˈɛɹfoːɹ aɪˈæm" vˈɛɹi dˈiːpli ænd sˈʌdənli ɹˈiːəlaɪzd, ɪn hɪz ˈoʊn wˈɜːdz, “ðə kˈɑːnʃəsnəs ðæt sˈɛz aɪɐm ɪz nˌɑːt ðə kˈɑːnʃəsnəs ðæt θˈɪŋks.