Diana

“You have to be an artist and a madman, a creature of infinite melancholy, with a bubble of hot poison in your loins and a super-voluptuous flame permanently aglow in your subtle spine (oh, how you have to cringe and hide!), in order to discern at once, by ineffable signs―the slightly feline outline of a cheekbone, the slenderness of a downy limbs, and other indices which despair and shame and tears of tenderness forbid me to tabulate―the little deadly demon among the wholesome children; she stands unrecognized by them and unconscious herself of her fantastic power.”
― Vladimir Nabokov, Lolita

“It is a long way to Ireland, Janet, and I am sorry to send my little friend on such weary travels: but if I can't do better, how is it to be helped? Are you anything akin to me, do you think, Jane?"

I could risk no sort of answer by this time: my heart was still.

"Because, he said, "I sometimes have a queer feeling with regard to you - especially when you are near me, as now: it is as if I had a string somewhere under my left ribs, tightly and inextricably knotted to a similar string situated in the corresponding quarter of your little frame. And if that boisterous channel, and two hundred miles or so of land some broad between us, I am afraid that cord of communion will be snapt; and then I've a nervous notion I should take to bleeding inwardly. As for you, - you'd forget me.”
― Charlotte Brontë, Jane Eyre

“And now, once again, I bid my hideous progeny go forth and prosper. I have an affection for it, for it was the offspring of happy days, when death and grief were but words, which found no true echo in my heart.”
― Mary Shelley, Frankenstein or the Modern Prometheus

“His sudden mad love for Sibyl Vane was a psychological phenomenon of no small interest. There was no doubt that curiosity had much to do with it, curiosity and the desire for new experiences; yet it was not a simple but rather a very complex passion.”
― Oscar Wilde, The Picture of Dorian Gray