Here the word "voices" is a metonym for the message that the voices spoke. Alternate translation: "the writings of the prophets" or "the message of the prophets" (See: [[rc://en/ta/man/jit/figs-metonymy]])
Here the word "voices" is a metonym for the message that those voices conveyed in writing. Alternate translation: "they actually did just what the prophets said they would do in the books of the prophets" (See: [[rc://en/ta/man/jit/figs-metonymy]])