On passover night, why must the sacrifical lamb be totally consumed either by eating or by burning?
It has always been customary with sacrifices (even during the time of Abraham) that they become totally consumed. There is actually a greater reason for this during Passover. The Jews who lived in Egypt during that time were very influenced by Egyptian culture and by all of their superstitions. Even today, there are many superstitious people who carry around good luck charms such as a "lucky rabbits foot". The Jews had experienced a number of miraculous events during the 10 plagues. Their redemption was an event to remember for all time. Some may have been tempted to hold onto a bone from the sacrificial lamb as a memento to remember perhaps the most significant event in history and certainly within their own lives. This type of superstition is a form of idol worship which is the antithesis of everything Judaism stands for. Therefore, the sacrificial lamb had to be totally consumed.
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