"There was a certain amount of initial argumentation about the "meaning" of the balloon; this subsided, because we have learned not to insist on meanings, and they are rarely even looked for now, except in cases involving the simplest, safest phenomena. It was agreed that since the meaning of the balloon could never be known absolutely, extended discussion was pointless, or at least less purposeful than the activities of those who, for example, hung green and blue paper lanterns from the warm gr More