text_original: This equilibrium once established must be maintained not by haphazard pruning, but by some suitable system.
text_transcription: THIS EQUILIBRIUM ONCE ESTABLISHED MUST BE MAINTAINED NOT BY HAPHAZARD PRUNING BUT BY SOME SUITABLE SYSTEM
phonemes: ðɪs ˌiːkwɪlˈɪbɹiəm wˈʌns ɪstˈæblɪʃt mˈʌst biː meɪntˈeɪnd nˌɑːt baɪ hæphˈæzɚd pɹˈuːnɪŋ, bˌʌt baɪ sˌʌm sˈuːɾəbəl sˈɪstəm.