Quote by Quine, Willard Van Orman
"Identity and difference are not absolute relations but depend on the level of analysis."
"Identity and difference are not absolute relations but depend on the level of analysis."
"To be is to be the value of a variable."
"The problem of induction is to justify the rules by which we project unobserved instances from observed ones."
"Ontology is what one says exists; ideology is how one says one determines what exists."
"There is no fact of the matter about how language actually carves up the world."