Kierkegaard and Dostoevsky

How did they understand the original sin of Dostoevsky and Kierkegaard and why did he fix so close a glance of two great thinkers of the nineteenth century? From this question the book of Leo Shestov "Kierkegaard and Dostoevsky" begins. Kierkegaard died early, at the age of 44, he was older than Dostoevsky for ten years, at which time the future classic of Russian literature was just beginning his...