"Into the timbered lodge now, go, quickly,
kill us the fattest porker, fix our meal.
And I will put my father to the test,
see if the old man knows me now, on sight,
or fails to, after twenty years apart."
– Homer
The Odyssey, Book 24, lines 236-240. Odysseus has reached his father Laertes’ farm. After twenty years apart, the returned Odysseus is wondering if Laertes will recognize his son.