In the film’s opening scene, Vito is famously seen holding a cat. Amazingly this was a stray that Coppola found while on the lot at Paramount Pictures, and was not originally called for in the script. So content was the cat that its purring muffled some of Brando’s dialogue and, as a result, most of his lines had to be looped.
I’ve seen a lot of this universe. I’ve seen fake gods and bad gods and demigods and would-be gods, and out of all that, out of that whole pantheon, if I believe in one thing, just one thing, I believe in her.