A writer's work has to take account of many rhythms: Vulcan's and Mercury's, a message of urgency obtained by dint of patient and meticulous adjustments and an intuition so instantaneous that, when formulated, it acquires the finality of something that could never have been otherwise. But it is also the rhythm of time that passes with no other aim than to let feelings and thoughts settle down, mature, and shed all impatience or ephemeral contingency.