So eagerly the fiend […] / With head, hands, wings, or feet, pursues his way, / And swims, or sinks, or wades, or creeps, or flies.

It relates to a recurrence in the dead time or the between-time separating inspiration and expiration, the diastole and systole of the heart beating softly against the lining of one's own skin.

to aim to do well in life

“Power Play” is absorbing yet unaffecting.