“It’s a question of a sound philosophy or some kind of antisolipsistic shoddiness.” “He wouldn’t know the word, dear.” “Nonsense, then, some kind of nonsense,” Matthew said. “Could be nonsense.” Rinpoche put a hand on Matthew’s arm as if to calm him, or to turn him back to facing us. “Could be. How do we test?” “In our tradition,” Matthew said, “the test for thousands of years has been something we call logic.”