As a wolf resembles a dog, so both a flatterer, and an adulterer and a parasite, resemble a friend. Take care then that instead of watch dogs you do not without knowing it let in mischievous wolves.
XLVIII
120
As a wolf resembles a dog, so both a flatterer, and an adulterer and a parasite, resemble a friend. Take care then that instead of watch dogs you do not without knowing it let in mischievous wolves.