Reality only exerts its pressure through the needs of everyday life — the need to eat and drink, to get shelter and clothing, to avoid swallowing poison or stepping out of top-storey windows, and the like. Between life and death, and between physical pleasure and physical pain, there is still a distinction, but that is all. Cut off from contact with the outer world, and with the past, the citizen of Oceania is like a man in interstellar space, who has no way of knowing which direction is up and which is down.