Leonardo's The Last Supper depicts the sequence of events before Jesus's betrayal and crucifixion. Rather than merely a snapshot in time, The Last Supper seems to be a continuous sequence of events, and a foreshadow of events to come. Two interpretations of the subject of the painting come to mind: the betrayal announcement and the first communion. Observing the impulsive Simon Peter's interactions with Judas and John, Jesus and Thomas, it is clear that The Last Supper represents a conjoint presence of both the betrayal announcement and the institution of the Eucharist.

The main theme behind The Last Supper is Jesus's death. Jesus came to earth to be crucified as the sacrifice for the sins of mankind. Man cannot become righteous by his own works and are thus condemned to hell. But Jesus comes as a sacrifice to pay for those sins and thus all who trust in...