Hebrews 10:2-9
8 These things have been given to the holy. This the Deacon also proclaims when he calls on the holy; even by this call searching the faults of all. For as in a flock, where many sheep indeed are in good health, but many are full of the scab, it is needful that these should be separated from the healthy; so also in the Church: since some sheep are healthy, and some diseased, by this voice he separates the one from the other, the priest [I mean] going round on all sides by this most awful cry, and calling and drawing on the holy. For it is not possible that a man should know the things of his neighbor, (for “what man,” he says, “knows the things of a man, save the spirit of man which is in him?”): he utters this voice after the whole sacrifice has been completed, that no person should come to the spiritual fountain carelessly and in a chance way. For in the case of the flock also (for nothing prevents us from again using the same example), the sickly ones we shut up within, and keep them in the dark, and give them different food, not permitting them to partake either of pure air, or of simple grass, or of the fountain without [the fold]. In this case then also this voice is instead of fetters.
You can not say, 'I did not know, I was not aware that danger attends the matter.' Nay surely Paul too especially testified this. But will you say, 'I never read it'? This is not an apology, but even an accusation. Do you come into the Church every day and yet art ignorant of this?
However, that you may not have even this excuse to offer, for this cause, with a loud voice, with an awful cry, like some herald lifting up his hand on high, standing aloft, conspicuous to all, and after that awful silence crying out aloud, he invites some, and some he forbids, not doing this with his hand, but with his tongue more distinctly than with his hand. For that voice, falling on our ears, just like a hand, thrusts away and casts out some, and introduces and presents others.
Tell me then, I beseech [you], in the Olympic games does not the herald stand, calling out with loud and uplifted voice, saying, “Does any one accuse this man? Is he a slave? Is he a thief? Is he one of wicked manners?” And yet, those contests for prizes are not of the soul nor yet of good morals, but of strength and the body. If then where there is exercise of bodies, much examination is made about character, how much rather here, where the soul is alone the combatant. Our herald then even now stands, not holding each person by the head, and drawing him forward, but holding all together by the head within; he does not set against them other accusers, but themselves against themselves. For he says not, “Does any one accuse this man?” but what? “If any man accuse himself.” For when he says, The Holy things for the holy, he means this: “If any is not holy, let him not draw near.”
He does not simply say, “free from sins,” but, “holy.” For it is not merely freedom from sins which makes a man holy, but also the presence of the Spirit, and the wealth of good works. I do not merely wish (he says) that you should be delivered from the mire, but also that you should be bright and beautiful. For if the Babylonian King, when he made choice of the youths from the captives, chose out those who were beautiful in form, and of fair countenance: much more is it needful that we, when we stand by the royal table, should be beautiful in form, [I mean] that of the soul, having adornment of gold, our robe pure, our shoes royal, the face of our soul well-formed, the golden ornament put around it, even the girdle of truth. Let such an one as this draw near, and touch the royal cups.
But if any man clothed in rags, filthy, squalid, wish to enter in to the royal table, consider how much he will suffer, the forty days not being sufficient to wash away the offenses which have been committed in all the time. For if hell is not sufficient, although it be eternal (for therefore also it is eternal), much more this short time. For we have not shown a strong repentance, but a weak.
9. Eunuchs especially ought to stand by the King: by eunuchs, I mean those who are clear in their mind, having no wrinkle nor spot, lofty in mind, having the eye of the soul gentle and quick-sighted, active and sharp, not sleepy nor supine; full of much freedom, and yet far from impudence and overboldness, wakeful, healthful, neither very gloomy and downcast, nor yet dissolute and soft.
This eye we have it in our own power to create, and to make it quicksighted and beautiful. For when we direct it, not to the smoke nor to the dust (for such are all human things), but to the delicate breeze, to the light air, to things heavenly and high, and full of much calmness and purity, and of much delight, we shall speedily restore it, and shall invigorate it, as it luxuriates in such contemplation. Have you seen covetousness and great wealth? Do not thou lift up your eye thereto. The thing is mire, it is smoke, an evil vapor, darkness, and great distress and suffocating cares. Have you seen a man cultivating righteousness, content with his own, and having abundant space for recreation, having anxieties, not fixing his thoughts on things here? Set [your eye] there, and lift [it] up on high; and you will make it far the most beautiful, and more splendid, feasting it not with the flowers of the earth, but with those of virtue, with temperance, moderation, and all the rest. For nothing so troubles the eye as an evil conscience (“My eye,” it is said, “was troubled by reason of anger”); nothing so darkens it. Set it free from this injury, and you will make it vigorous and strong, ever nourished with good hopes.
And may we all make both it and also the other energies of the soul, such as Christ desires, that being made worthy of the Head who is set over us, we may depart there where He wishes. For He says, “I will that where I am, they also may be with Me, that they may behold My glory.” Which may we all enjoy in Christ Jesus our Lord, with whom to the Father together with the Holy Ghost be glory, might, honor, now and for ever and world without end. Amen.
Source: Homilies on the Epistle to the Hebrews (New Advent)