'The single eye is the love unfeigned; for when the body is
enlightened by it, it sets forth through the medium of the outer members only
things which are perfectly correspondent with the inner thoughts. But the evil
eye is the pretended love, which is also called hypocrisy, by which the whole
body of the man is made darkness. We have to consider that deeds meet only for
darkness may be within the man, while through the outer members he may produce
words that seem to be of the light: for there are those who are in reality
wolves, though they may be covered with sheep's clothing. Such are they who
wash only the outside of the cup and platter, and do not understand that,
unless the inside of these things is cleansed, the outside itself cannot be
made pure. Wherefore, in manifest confutation of such persons, the Saviour
says: "If the light that is in you be darkness, how great is that
darkness!" That is to say, if the love which seems to you to be light is
really a work meet for darkness, by reason of some hypocrisy concealed in you,
what must be your patent transgressions!'