Question

"if they were people wouldn't believe in them."who is the speaker

Answer 1

These words are spoken by fiction writer Hallock who is describing the appearance of ghosts.

Hallock feels that the ghosts in a story must be ugly looking and horrible characters to scare the audience.

On the other hand he believes that if the ghosts were like Helen in appearance, people are not going to believe them anymore.

Answer 2

The statement they were people wouldn't believe in them is a part of the book of John Tyler.

It is a part of one of his famous speech.

There have been many other people such as Donal trump who have used it in his speech as well.

But it was originally used by John Tyler.