They are forbidden to rejoice in the subjection of the spirits to God, since they were flesh; for to cast out spirits and to exercise other powers is sometimes not on account of his merit who works, but is wrought through the invocation of Christ’s name to the condemnation of those who mock it, or to the advantage of those who see and hear.
Reproduced in full. Translation: Oxford 1841 (Newman), public domain (Public domain).