Plesiobionts differ from each other both in morphology and in behaviour (e.g., in their foraging strategies), and at least one of the plesiobiotic pair is a submissive species.

The inclusion not only of [Michael I] Cerularius, but of all his followers, and the denunciation of the Greeks as prozymite heretics, does look like a condemnation of the whole Byzantine church until it should change its practices.

, New York, 2001, p.74: Can you account him wise or discreet that would willingly have his health, and yet will do nothing that should procure or continue it?

Come, Goddesses! engifted with ten millions Of charms, ne'er yet expressed or understood By Bard of earthly mould, -- quick! mount your pillions, and goad your donkies of Medusian blood;