text_original: He was now more than fifty years of age, and the Marlborough of immortal fame had yet to assert himself and to prove himself.
text_transcription: HE WAS NOW MORE THAN FIFTY YEARS OF AGE AND THE MARLBOROUGH OF IMMORTAL FAME HAD YET TO ASSERT HIMSELF AND TO PROVE HIMSELF
phonemes: hiː wʌz nˈaʊ mˈɔːɹ ðɐn fˈɪfti jˈɪɹz ʌv ˈeɪdʒ, ænd ðə mˈɑːɹlbəɹˌoʊ ʌv ɪmˈɔːɹɾəl fˈeɪm hæd jˈɛt tʊ ɐsˈɜːt hɪmsˈɛlf ænd tə pɹˈuːv hɪmsˈɛlf.