To the degree that speech is Peitho or Apate, in mythical thought it is a double power, both positive and negative, and analogous to other ambiguous mythical powers.
Detienne argues that Apate and Peitho together constitute speech as an intrinsically ambivalent mythical force, structurally parallel to other dual powers such as Proteus and the many-colored web.
, The Masters of Truth in Archaic Greece, 1996thesis