Complex sentence: The quotation from Rand's journals included a passage describing what John Galt represented to each main characters, including one about Father Amadeus: For Father Amadeus (Galt represents) the source of the conflict.
Split into simpler sentences: The quotation from Rand's journals included a passage describing what John Galt represented to each main characters. That included the following: For Father Amadeus (Galt represents) the source of the conflict.