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In the early Church it was called also “eucharist,” or giving of thanks (compare Matt. 26:27), and generally by the Latin Church “mass,” a name derived from the formula of dismission, Ite, missa est, i.e., “Go, it is discharged.”
It was designed…
The elements used to represent Christ's body and blood are bread and wine. The kind of bread, whether leavened or unleavened, is not specified. Unleavened bread was at that moment on the paschal [Passover] table. Wine, and no other liquid, is to be used (Matt. 26:26-29). Believers “feed” on Christ's body and blood, (1) not with the mouth in any manner, but (2) by the soul alone, and (3) by faith, which is the mouth or hand of the soul. This they do (4) by the power of the Holy Ghost. This “feeding” on Christ, however, takes place not in the Lord's Supper alone, but whenever faith in him is exercised.
ALSO SEE: Mass—How the Protestant Church and Catholic Church differ—Go