Theological basis: "And [The Lord] said to [Moses]: Go to the people, and sanctify them to day, and to morrow, and let them wash their garments. And let them be ready against the third day: for on the third day the Lord will come down in the sight of all the people upon mount Sinai. And thou shalt appoint certain limits to the people round about, and thou shalt say to them: Take heed you go not up into the mount, and that ye touch not the borders thereof: every one that toucheth the mount dying he shall die. No hands shall touch him, but he shall be stoned to death, or shall be shot through with arrows: whether it be beast, or man, he shall not live. When the trumpet shall begin to sound, then let them go up into the mount. And Moses came down from the mount to the people, and sanctified them. And when they had washed their garments, He said to them: Be ready against the third day, and come not near your wives." Exodus 19. How much more holy a priest must be to touch the Eucharist?