So say we all
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- See here for the book entitled So Say We All: An Unauthorized Collection of Thoughts and Opinions on Battlestar Galactica by Richard Hatch
The phrase "So say we all" is analogous to the Christian "amen" (which itself means "so be it" or "so let it be").
"So say we all" is said at the closing of prayers, akin to "amen" (Miniseries).
However, the word "amen" is still attested in the Colonial language (Resurrection Ship, Part II) and is used to end prayers in some circumstances (Lay Down Your Burdens, Part II).