According to Butler, overcrowding in mankind, as in all other animal species, increased hostility and aggression, which led to war, "the greatest crime of all". (TV: Invasion of the Dinosaurs)
Behind the scenes[[edit] | [edit source]]
Information from invalid sources[[edit] | [edit source]]
A Cyberman once used the phrase "Cybernetics downloaded. Delete hostile elements!". (NOTVALID: LEGO Dimensions)