Goold Brown,
The Grammar of English Grammars…
“ For though the infinitive verb never agrees with a subject or nominative, like a finite verb, it most commonly has a very obvious reference to something which is the subject of the being, action, or passion, which it expresses; and this reference is one of the chief points of difference between the infinitive and a noun. S. S. Greene, in a recent grammar, absurdly parses infinitives "as nouns," and by the common rules for nouns, though he begins with calling them verbs. ”
