I, like the arch fiend, bore a hell within me
His limited reading immediately calls to his mind the mythic
model for his profound alienation, Milton's Satan, establishing a
new line of psychological congruence between the tormented
Creature and Victor Frankenstein, who used the identical expression at
the end of Volume I (Chapter 8 in the 1831 edition): see 1.7.9 and note. Victor also makes similar
statements in 1.4.3 and 2.1.1 (and note). The allusion
is to Satan's soliloquy upon Mount Niphates: Paradise Lost, IV.75.