ἔγνω δὲ φώρ τε φῶρα καὶ λύκος λύκον → the thief knows the thief and the wolf knows the wolf, and thief knows thief and wolf his fellow wolf, set a thief to catch a thief
ἐχθρολέτης: ὁ ὀλετὴρ τῶν ἐχθρῶν, ἀντὶ ἐχθρολέγκτης ἐν Κ. Πορφ. Ἐκθ. Βασιλ. Τάξ. 217Α, 375C.
