But in the end one also has to understand that the needs...

But in the end one also has to understand that the needs that religion has satisfied and philosophy is now supposed to satisfy are not immutable; they can be weakened and exterminated. Consider, for example, that Christian distress of mind that comes from sighing over ones inner depravity and care for ones salvation - all concepts originating in nothing but errors of reason and deserving, not satisfaction, but obliteration.