O Clavis David, et sceptrum domus Israel; qui aperis, et nemo claudit; claudis, et nemo aperit: veni, et educ vinctum de domo carceris, sedentem in tenebris, et umbra mortis.
O Key of David and sceptre of the House of Israel; who openest and no man shutteth; shuttest and no man openeth: come and lead the prisoners from the prison house, that sit in darkness and the shadow of death.
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| The Harrowing of Hell, from an Exsultet scroll of the later 11th century. |