3333. CONCERNING SPHERES ((((In the other life exist spheres of whose existence even man is not aware: so that when I say that they exist hardly anyone can believe it. The only sphere known to man is odor [smell], so that, when he has an acute smell, he knows of what quality the atmosphere is: thus it exists in many, with a difference. There exists also another sphere known to man, to wit, his desire of this or that food, which, is called determination of appetite [appetitus determinatus].