This old man,” I said at length, “is the type and the genius of deep crime. He refuses to be alone. He is the man of the crowd. It will be in vain to follow; for I shall learn no more of him, nor of his deeds. The worst heart of the world is a grosser book than the ‘Hortulus Animæ’[1] and perhaps it is but one of the great mercies of God that ‘er lasst sich nicht lesen.’”