The epoch-making theories of linguist noam chomsky maintain that the human brain has an innate language faculty, and that part of this biological endowment is a "Universal grammar," A theory of principles common to all l...The epoch-making theories of linguist noam chomsky maintain that the human brain has an innate language faculty, and that part of this biological endowment is a "Universal grammar," A theory of principles common to all languages. Thus, all human languages and the ways in which children learn them are similar.