> Call me Ishmael. Some years ago—never mind how long precisely—having little or no money in my purse, and nothing particular to interest me on shore, I thought I would sail about a little and see the watery part of the world
It’s really not. “Some years ago” is a very common phrase, completely unrelated to its occurrence in Moby Dick. Its use in Moby Dick isn’t iconic or anything like that.
> Call me Ishmael. Some years ago—never mind how long precisely—having little or no money in my purse, and nothing particular to interest me on shore, I thought I would sail about a little and see the watery part of the world