Matthew 6:17

As therefore, when He said, "Let not thy left hand know what thy right hand doeth," it was not of hands that He was speaking, but of the duty of being strictly concealed from all; and as when He commanded us to enter into our closet, not there alone absolutely, nor there primarily, did He command us to pray, but He covertly intimated the same thing again; so likewise here, in commanding us "to be anointed," He did not enact that we positively must anoint ourselves; for then we should all of us be found transgressors of this law; and above all, surely, they who have taken the most pains to keep it, the societies of the monks, who have taken up their dwelling on the mountains. It was not this then that He enjoined, but, forasmuch as the ancients had a custom to anoint themselves continually, when they were taking their pleasure and rejoicing (and this one may see clearly from David and from Daniel); He said that we were to anoint ourselves, not that we should positively do this, but that by all means we might endeavor, with great strictness, to hide this our acquisition. And to convince thee that so it is, He Himself, when by action exhibiting what He enjoined in words, having fasted forty days, and fasted in secret, did neither anoint nor wash Himself: nevertheless, though He did not these things, He most assuredly fulfilled the whole without vainglory. It is this then that He enjoins on us likewise, both bringing before us the hypocrites, and by a twice repeated charge dissuading the hearers.

But He speaks in accordance with the manners of the province of Palestine, where it is the custom on festival days to anoint the head. What He enjoins then is, that when we are fasting we should wear the appearance of joy and gladness.

(ubi sup.) A question is here wont to be raised; for none surely would literally enjoin, that, as we wash our faces from daily habit, so we should have our heads anointing when we fast; a thing which all allow to be most disgraceful. (ubi sup.) Or; by the head we rightly understand the reason, because it is preeminent in the soul, and rules the other members of the man. Now anointing the head has some reference to rejoicing. Let him therefore joy within himself because of his fasting, who in fasting turns himself from doing the will of the world, that he may be subject to Christ.

(Serm. in Quadr. vi. 2.) Fasting ought to be fulfilled not in abstinence of food only, but much more in cutting off vices. For when we submit ourselves to that discipline in order to withdraw that which is the nurse of carnal desires, there is no sort of good conscience more to be sought than that we should keep ourselves sober from unjust will, and abstinent from dishonourable action. This is an act of religion from which the sick are not excluded, seeing integrity of heart may be found in an infirm body.

Also if He bade us not to be of sad countenance that we might not seem to men to fast, yet if anointing of the head and washing of the face are always observed in fasting, they will become tokens of fasting. Therefore the simple interpretation of this is, that is added as an hyperbolical explanation of the command; as though He had said, Yea, so far should ye be from any display of your fasting, that if it might be (which yet it may not be) so done, ye should even do such things as are tokens of luxury and feasting. Spiritually interpreted—the face may be understood to mean the mental conscience. And as in the eyes of man a fair face has grace, so in the eyes of God a pure conscience has favour. This face the hypocrites, fasting on man's account, disfigure, seeking thereby to cheat both God and man; for the conscience of the sinner is always wounded. If then you have cast out all wickedness from your heart, you have washed your conscience, and fast well. Spiritually again, thy head denotes Christ. Give the thirsty drink and feed the hungry, and therein you have anointed your head, that is, Christ, who cries out in the Gospel, In that ye have done this to one of the least of these my brethren, ye have done it to me. (Mat. 25:40.) And truly we ought to wash our face, but to anoint, and not to wash, our head. For as long as we are in the body, our conscience is foul with sin. But Christ who is our head has done no sin.