“That a man who has been professedly a teacher of others, should discover on every occasion, a want of the common principles of grammar, is truly curious.”— William Emerson
“Certain universals of grammar are demonstrable from a consideration of the order of meaningful elements.”— Joseph Greenberg
“African American Vernacular English is not a random collection of errors but a well-formed linguistic system with its own rules and grammar.”— William Labov
“Hypercorrection is the over-application of a perceived rule of grammar or pronunciation in an attempt to appear more formal or educated.”— William Labov
“If a language has dominant VSO order, then the genitive always follows the governing noun.”— Joseph Greenberg
“All languages have pronominal categories involving at least three persons and two numbers.”— Joseph Greenberg
“A preposition's a word that shows the relationship between a noun or a pronoun and some other word in the sentence.”— Brian P. Cleary