Eureka (word) "Eureka! Eureka!" after he had stepped into a bath and noticed that the water level rose, whereupon he suddenly understood that the volume of water displaced must be equal to the volume of the part of his body he had submerged. (This relation is "not" what is known as Archimedes' principle—that deals with the "upthrust" experienced by a body immersed in a fluid.) He then realized that the volume of irregular objects could be measured with precision, a previously intractable problem. He is said to have been so eager to share his discovery that he leapt out of his bathtub
The Cry (book) Melantha, and Melantha's loving both Oliver and Ferdinand. The Cry attack Portia by accusing her of vanity, which prompts Portia to discuss the notion of "knowing one's self" and ignorance. This leads into a story of a merchant and three daughters to explain what she means. The Cry continue to attack Portia and claim that she was jealous of Melantha, but Portia attacks them for hypocrisy. Portia then looks to herself to determine her own bias and then pretends to be Melantha to tell her story. This only encourages accusations by the Cry that Portia is abusing human nature. Portia