The Nature of Evil and Huxley's Infinite Capability

In one of the excerpts that was assigned, Aldous Huxley writes

Alas, there is no horror which cannot suggest itself to human minds. “We know what we are,” says Ophelia, “but we know not what we may be.” Practically all of us are capable of practically anything. And that is true even of persons who have been brought up in the practice of the most austere morality.

In his book, The Devils of Loudun, Huxley says this in sympathy for a group of nuns who were convinced by their physicians and exorcists that they were possessed by demons and paraded around town in fits of hysteria. He basically asserts that the nuns were experiencing a psychotic break as a result of the severe repression they suffered, and the men who were supposed to help them exploited them for their own ends.

The parallels to The Crucible are obvious, but it's more interesting to think about Huxley's assertion in the context of Miller's claims that he wanted to make the Judge "more evil." Can there really be a true evil if there's no true good, if we're capable of anything and everything? In that case, Elizabeth is right, she can't judge John, but not because of any innate goodness in him. It's means that any one of us could become Abigail. Somehow, that makes her evil a little easier to take.