"To those who have cherished an affection for a faithful and sagacious dog, need hardly be at the trouble of explaining the nature or the intensity of the
gratification thus derivable. There is something in the unselfish and self-
sacrificing love of a brute, which goes directly to the heart of him who has had
frequent occasion to test the paltry friendship and gossamer fidelity of mere
Man."
-Edgar Allan Poe, "The Black Cat"

How do the length and rhythm of these sentences affect the pacing of this early
section of exposition?