that a man must rather starve, than receive food from the hand of a person excommunicate, or otherwise detected of any mortal sin; and that all that can be done with the alms of such a person, is, that it be spent in wood and coals and other fuel, that so, (as the subtle philosophy of their canon is) it may be burnt, and consumed by fire; for, to save a man's life, it must not be spent upon meat o