Heaven is not a place guarded by immigration officials interested only in passports and certificates, nor is it the higher class to which we are promoted by passing an examination showing what we have learned in this world. Heaven is this world as it appears to the awakened imagination, and those who try to approach it by way of restraint, caution, good behaviour, fear, self-satisfaction, assent to uncomprehended doctrines, or voluntary drabness, will find themselves travelling toward hell, as Ignorance did in Bunyan, hell being similarly this world as it appears to the repressed imagination.

– NORTHROP FRYE (1947) Fearful Symmetry: A study of William Blake, Princeton University Press