The religious leaders knew that only God could forgive sins and did not believe that Jesus was God. This question was probably intended to be an accusation. Alternate translation: "Who does this man think he is? Only God can forgive sins!" or "Why is this man pretending to be God, who alone can forgive sins?" (See: [[rc://en/ta/man/jit/figs-rquestion]] and [[rc://en/ta/man/jit/figs-explicit]])