When asked if he is remembering things, Will says "memory is all I have". A similar thing was said by Hannibal Lecter in The Silence of the Lambs (1991); when Clarice asks him if he made his drawings from memory, he says "Memory, agent Starling, is what I have instead of a view."
Sakizuke or Sakizuki is the first course in a formal Kaiseki dinner, a sampling of small appetizers whose ingredients, garnishes and dishware sets the tone for the season and invites the gods to partake of the meal.
When will is in the crime scene mural he sings "One of these things is not like the others, one of these things just isn't the same" This is a long time recurring learning game from "Sesame Street"