A pronoun… will aptly reflect the number of its antecedent: they does not refer to one person, no matter how many personalities she or he has, or how eager you are to skirt the gender frays. – Karen Elizabeth Gordon, “Agreements,” The Deluxe Transitive Vampire: The Ultimat
[T]he flesh of prose gets its shape and strength from the bones of grammar… – Constance Hale, Sin and Syntax: How to Craft Wickedly Effective Prose, 1999