Darkness of the Soul

The Idiot by Fyodor Dostoevsky

The essence of religious feeling does not come under any sort of reasoning or atheism, and has nothing to do with any crimes or misdemeanors. There is something else here, and there will always be something else - something that the atheists will forever slur over; they will always be talking of something else.

Part 2, Chapter 5
Oh, in those six months he (Prince Myshkin) had passed through a great deal - a great deal that had been quite new to him, unguessed, unknown, and unexpected!
But the soul of another is a dark place [...] for many it is a dark place.

Compassion was the chief and perhaps only law of all human existence. Ah, how impardonably and dishonorably he had wronged Rogozkin! No, it was not that "the Russian soul was a dark place," but that in his own there was darkness, since he could imagine such horrors!