552. What is to be thought of the belief in the power of certain persons to throw a spell over others?
"Certain persons possess a very strong magnetic power, of which they may make a bad use if their own spirit is bad, and, in that case, they may be seconded by other bad spirits; but do not attach belief to any pretended magical power, which exists only in the imagination of superstitious people, ignorant of the true laws of nature. The facts adduced to prove the existence of this pretended power are facts which are really due to the action of natural causes that have been imperfectly observed, and above all, imperfectly understood."