text_original: "He was careful to guard against any philo  sophical prejudice that might hamper the sin  cerity of his observations.
text_transcription: HE WAS CAREFUL TO GUARD AGAINST ANY PHILOSOPHICAL PREJUDICE THAT MIGHT HAMPER THE SINCERITY OF HIS OBSERVATIONS
phonemes: "hiː wʌz kˈɛɹfəl tə ɡˈɑːɹd ɐɡˈɛnst ˌɛni fˈiːloʊ sˈɑːfɪkəl pɹˈɛdʒuːdɪs ðæt mˌaɪt hˈæmpɚ ðə sˈɪn sˈɛɹᵻɾi ʌv hɪz ɑːbzɚvˈeɪʃənz.