It is also obvious that Tezcatlipoc’s patronage of slaves, who were strictly regarded as his property, arose out of the idea that those unfortunates, whenever used for the purposes of sacrificial ritual, constituted the “food” of the obsidian knife.
61
Bk. xi, c. 8, § 5.
62
Bernal Diaz also states that the eyes of Tezcatlipoc’s idol were “mirrors.” See ante, “Aspect and Insignia.”