5705. Investigation was made as to whether such ones are able to be raised into heavenly light; and it was proved that they are not able, because [their Intellectual] is closed and cannot be opened. There were present, at the time, certain Englishmen, who, because they have interior light [lux], were elevated. In general, the case is thus: That sensual lumen appears like spiritual lumen to the uninstructed, so long as it is not known whether it is from the memory or from the understanding; and, besides, sensual lumen is more brilliant than interior lumen, because it is in the world. Especially are those in sensual lumen who are evil; they are far more crafty than others: wherefore, they were called by the Ancients, serpents for they are better able to reason than others.