HKB
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Often appears with: justice as a virtue · fate, destiny, and necessity · the fear of death · summum bonum possibility · providence and divine governance · postulates of practical reason · kingdom of god · immortality of the soul · hope of happiness beyond this life · holiness of will · holiness and virtue · christian ethics
Usually: argument (2) · detachment (1) · praise (1)
Kant argues that perfect accordance with the moral law requires an infinite progress of moral perfection, which in turn depends on the immortality of the soul as a postulate of pure practical reason.
a postulate of pure practical reason (by which I mean a theoretical proposition, not demonstrable as such, but which is an inseparable result of an unconditional a priori practical law. This principle of the moral destination of our nature, namely, that it is only in an endless progress that we can attain perfect accordance with the moral law, is of the greatest use, not merely for the present purpose of supplementi…
Kant claims Christianity uniquely satisfies practical reason by uniting the moral law’s holiness with hope for happiness in an endless duration, forming the kingdom of God as harmony between nature and morality.
with one's own personal worth, thus including it in the consciousness of being morally minded, in which they Might have been sufficiently refuted by the voice of their own nature. The doctrine of Christianity, * even if we do not yet consider it as a religious doctrine, gives, touching this point, a conception of the summum bonum (the kingdom of God), which alone satisfies the strictest demand of practical reason. T…