for Passover
Joseph is sent by his father to see his brothers as they tend the flocks.
But Joseph’s brothers hate him. When they see Joseph, they throw him into a pit. They leave him to the elements to die. They dip Joseph’s garment in goat’s blood. This rending of family begins the chain of events that comes to four hundred years of slavery.
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When God saves Israel from Egypt, He tells the people to slaughter a lamb of the flocks.
They are to dip hyssop into the lamb’s blood.
They are to partake of the lamb by family.
That dipping of hyssop is reminiscent of another dipping ceremony: that of the leper. When the leper is cured, the priest dips hyssop in bird’s blood on the cured man’s behalf. And the cured man rejoins his people.
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This first meal of Exodus is a meal of family, a meal of dipping hyssop—of bringing the outcast in.
It is a reversal of the break in the family that sent Joseph away.
It is a welcoming of all.
It is in this welcoming that freedom comes.
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Chag Sameach,
Abe
Note that the ceremony of the leper is introduced significantly after the Exodus; however, I am assuming a single set of symbols applied throughout the Torah.