Yes, "half" is crucial here, I suppose, vis-a-vis the Dry Salvages' "The hint half guessed, the gift half understood", a sign of grace, as it were. And it is grace surely that makes me/us contemplate the following discourse:
The Humiliation of the Word
By Gregory Wolfe
IMAGE, Issue #55, Fall
"And there are, in fact, several moments in the Four Quartets when we feel that we have stepped into a shaft of sunlight and caught the edge of an epiphany, a glimmer of grace in the form of children’s laughter hidden in the shrubbery."