... Scribes, and to the Pharisees: and to signify this the threefold sign of the cross is repeated, at the words, "blessed, enrolled, ratified." Or again, to signify the price for which He was sold, viz. thirty pence. And a double cross is added at the words—"that it may become to us the Body and the Blood," etc., to signify the person of Judas the seller, and ... — Summa Theologica, Part III (Tertia Pars) - From the Complete American Edition • Thomas Aquinas
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