hiː wʊd ɪnvˈaɪt ɐ vˌɑːləntˈɪɹ fɹʌmðɪ ˈɔːdiəns tə tʃˈuːz ɐ ɹˈændəm pˈeɪdʒ, ðˈɛn wʊd pɹɪdˈɪkt pɹɪsˈaɪsli ðə nˈʌmbɚɹ ʌv wˈɜːdz kəmpɹˈaɪzɪŋ θɹˈiː sˈɪləbəlz ɪt kəntˈeɪnd.
He would invite a volunteer from the audience to choose a random page, then would predict precisely the number of words comprising three syllables it contained.