He says that he didn't believe the potter when he said that he had made the stones, and that Doctor Cabrera had told him that the potter's claims were a lie and that the stones were ancient.
He didn't believe the potter. This is what he says. That he had made the stones. This was what he said. That the potter's claims were a lie and that the stones were ancient. This was what that Doctor Cabrera had told him. This was what he said.