Sentence:  There are some passages in the writings of Irenaeus where the image of God and the similitude are sharply distinguished , so most notably in the statement : `` If the [ Holy ] Spirit is absent from the soul , such a man <WSD>is</WSD> indeed of an animal nature ; and , being left carnal , he will be an imperfect being , possessing the image [ of God ] in his formation , but not receiving the similitude [ of God ] through the Spirit '' . 
Meaning of the word marked with <WSD> tags:  have the quality of being; (copula, used with an adjective or a predicate noun)