Complex sentence: Earlier Spring and Autumn reformers had often related with moralist systemology, but later Realists sometimes rejected or even vilified Confucianism's private morality (or Mohism's watchful justice of ghosts).
Split into simpler sentences: Earlier Spring and Autumn reformers had often related with moralist systemology. But later Realists sometimes rejected or even vilified Confucianism's private morality (or Mohism's watchful justice of ghosts).