But beliefs in ghosts or demons or angels or life after death aren't Disprovable.
"Anything You Can Do"
Gordon Randall Garrett
And it must be recollected that the issue raised by Mr. Gladstone is not whether, by some effort of ingenuity, the pentateuchal story can be shown to be not Disprovable by scientific knowledge, but whether it is supported thereby.
"The Interpreters of Genesis and the Interpreters of Nature Essay #4 from "Science and Hebrew Tradition""
Thomas Henry Huxley