I know well that there is a certain appearance of real devotion and zeal in the allegation, that the relics of Jesus Christ are preserved on account of the honour which is rendered to him, and in order the better to preserve his memory. But it is necessary to consider what St Paul says, that every service of God invented by man, whatever appearance of wisdom it may have, is nothing better than vanity and foolishness, if it has no other foundation than our own devising. Moreover, it is necessary to set the profit derived from it against the dangers with which it is fraught, and it will thus be found that, to have relics is a useless and frivolous thing, which will most probably gradually lead towards idolatry, because they cannot be handled and looked upon without being honoured, and in doing this men will very soon render them the honour which is due to Jesus Christ. In short, the desire for relics is never without superstition, and what is worse, it is usually the parent of idolatry. Every one admits that the reason why our Lord concealed the body of Moses, was that the people of Israel should not be guilty of worshipping it. Now, we may conclude that the act to be avoided with regard to the body of Moses must be equally shunned with regard to the bodies of all other saints, and for the same reason--because it is sin. But let us leave the saints, and consider what St Paul says of Jesus Christ himself, for he protests that he knew him not according to the flesh, but only after his resurrection, signifying by these words, that all that is carnal in Jesus Christ must be forgotten and put aside, and that we should employ and direct our whole affections to seek and possess him according to the spirit. Consequently the pretence that it is a good thing to have some memorials either of himself or of the saints, to stimulate our piety, is nothing but a cloak for indulging our foolish cravings which have no reasonable foundation; and should even this reason appear insufficient, it is openly repugnant to what the Holy Ghost has declared by the mouth of St Paul, and what can be said more?
It is of no use to discuss the point whether it is right or wrong to have relics merely to keep them as precious objects, without worshipping them, because experience proves that this is never the case.