Milan Kundera said this quote

Every novel says to the reader: “Things are not as simple as you think.” That is the novel’s eternal truth, but it grows steadily harder to hear amid the din of easy, quick answers that come faster than the question and block it off. In the spirit of our time, it’s either Anna or Karenin who is right, and the ancient wisdom of Cervantes, telling us about the difficulty of knowing and the elusiveness of truth, seems cumbersome and useless.