Unfathomable to mere mortals is the lore of fiends.

...this refinement and delicacy were what Cale adored; but Cale had been beaten into shape, hammered in dreadful fires of fear and pain. How could she be with him for long? A secret part of Arbell had been searching for some time for a way to leave her lover__lthough she was unaware of this, it is only fair to record. And so as Cale waited for her to save him while he worked out a way of saving her, she had already chosen the bitter but reasonable path of the good, of the many over the one...

To fight with demons, your intent must be pure. And even then, there's no guarantee you'll win.

Pure has become impure,Impure has now become pure.Good has now become bad,Bad has become evil.For one to live is to die,for one to die is to live.-Kikyo

...the Puritans compressed whatever mirth and public joy they deemed allowable to human infirmity; thereby so far dispelling the customary cloud, that, for the space of a single holiday, they appeared scarcely more grave than most other communities at a period of general affliction.

Lo! there ye stand, my children," said the figure, in a deep and solemn tone, almost sad, with its despairing awfulness, as if his once angelic nature could yet mourn for our miserable race. "Depending upon one another's hearts, ye had still hoped that virtue were not all a dream! Now are ye undeceived! Evil is the nature of mankind. Evil must be your only happiness.