A symbol is indeed the only possible expression of some invisible essence, a transparent lamp about a spiritual flame; while allegory is one of many possible representations of an embodied thing, or familiar principle, and belongs to fancy and not to imagination: the one is a revelation, the other an amusement.
William Butler YeatsHappiness is neither virtue nor pleasure nor this thing nor that but simply growth, We are happy when we are growing.
William Butler YeatsThe world being illusive, one must be deluded in some way if one is to triumph in it.
William Butler YeatsThat toil of growing up; The ignominy of boyhood; the distress Of boyhood changing into man; The unfinished man and his pain.
William Butler Yeats