Sylvester George Tan similarly explores the idea of unconscious sin and asks whether or not Perceval is unfairly castigated for his actions within the narrative in his article, ― Perceval‘s Unknown Sin: Narrative Theology in Chrétien‘s Story of the Grail.
Sylvester George Tan skoðar á sama máta hugmyndina um ómeðvitaða synd og spyr hvort að Parsifal hafi hlotið óverðskuldaðar skammir fyrir gjörðir sínar í frásögnum í grein sinni ― Perceval‘s Unknown Sin: Narrative Theology in Chrétien‘s Story of the Grail.