Glossary of ancient Roman religion may have had a sacrificial element. The "wolf priests", organized into two colleges and later three, who participated in the Lupercalia. The most famous "Lupercus" was Mark Antony. A ritual of purification which was held every five years under the jurisdiction of censors in Rome. Its original meaning was purifying by washing in water (Lat. "lustrum" from verb "luo", "I wash in water"). The time elapsing between two subsequent lustrations being of five years the term "lustrum" took up the meaning of a period of five year. "Manubia" is a technical term of the Etruscan discipline, and refers to the
How many angels can dance on the head of a pin? about how many could perch at the same time on the head of a pin"". Dorothy L. Sayers argued that the question was "simply a debating exercise" and that the answer "usually adjudged correct" was stated as, "Angels are pure intelligences, not material, but limited, so that they have location in space, but not extension." Sayers compares the question to that of how many people's thoughts can be concentrated upon a particular pin at the same time. She concludes that infinitely many angels can be located on the head of a pin, since they do not occupy any space there: