Such a determination of the future world is not only groundless, inasmuch as the data for such a determination can only be imagined, but it is also a violation of duty; for how can a person with a See Kant's demonstration, in the Dialectic of the first Critique, of the impossibility of an ontological proof of the existence of God on the grounds that being is not a 'real predicate' (KrV, A /B A. truly moral disposition have any time left over for pious fanatical enthusiasm?