II. His Ruling Symbols from The Philosophy of Shelley’s Poetry in Ideas of Good and Evil by William Butler Yeats.
“The ancients, he says, called souls not only Naiads but bees, ‘as the efficient cause of sweetness’; but not all souls ‘proceeding into generation’ are called bees, ‘but those who will live in it justly and who after having performed such things as are acceptable to the gods will again return (to their kindred stars).” [via]