'This swirl of stars,' Draconus suddenly said, 'marks the plunge of light into darkness. These stars, they are distant suns, shihing their light down… - Steven Erikson

Evil is nothing but a word, an objectification where no objectification is necessary. Cast aside this notion of some external agency as the source of inconceivable inhumanity - the sad truth is our possession of an innate proclivity towards indifference, towards deliberate denial of mercy, towards disengaging all that is moral within us.
But if that is too dire , let's call it evil. And paint it with fire and venom.

Nimander wondered if he had discovered the face of the one true god. Naught else but time, this ever changing and yet changeless tyrant against whom no creature could win. Before whom even trees, stone and air must one day bow. There would be a last dawn, a last sunset, each kneeling in final surrender. Yes, time was indeed god, playing the same games with lowly insects as it did with mountains and the fools who would carve fastnesses into them. At peace with every scale, pleased by the rapid patter of a rat’s heart and the slow sighing of devouring wind against stone. Content with a star’s burgeoning light and the swift death of a raindrop on a desert floor.

I love you still, but with your death I succumbed to a kind of infatuation. I convinced myself that what you and I had, so very briefly, was of far vaster and deeper import than it truly was. Of all the weapons we chose to turn upon ourselves, guilt is the sharpest, Silverfox. It can carve one's own past into unrecognizable shapes, false memories leading to beliefs that sow all kinds of obsessions.