Jesus, on the cross, moments before his death, quotes the opening verse of Psalm 22 of the Old Testament: „My God, my God, why hast thou forsaken me?” He does not seek to use an original expression, instead he takes up a phrase that someone else had cried out in agony before him.  Ah, how well they could write in those days, the ones who wrote this down in those days. You could hear it, it was the rather original use of a quotation that everyone knew.