Grail scene interpretation, also daydreams, Chaldea was in Austria and our ethnic country of origin, not that of Jews, insofar as there were no Jews or Jewish history and religion in Vienna at that time.

"many sources from antiquity often point to the Persian origins of magic. It is appropriate then to discuss this briefly. Persian priests, the magoi, were supposed to have inherited the lore of the Chaldeans." Chaldea was the name of a country (according to Genesis it was the home of Abraham), but a Chaldean could also be an astrologer or an interpreter of dreams......"