It’s not the combination of holy sacrament, Indian torture and sexual ecstasy that you seem to make of it.
He looked as if he did not know that they took his public immolation as their rightful due, that they considered their presence as the indispensable seal of sacrament upon the occasion, that of all the hundreds he and his bride were the only ones to whom the performance was hideous.
There are no more uses of "sacrament" in the book.
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Augustine defined a Christian sacrament as "a visible sign of an invisible reality."
A couple of the kids watched movies as if they were partaking of a sacrament, completely enthralled and religiously attentive.