...As to this present history the whole train of cause and consequence might fairly be supposed to have been started by Mr. Pottermack's singular discovery in his garden. Yet, when we consider the matter more closely, we may doubt if that discovery would ever have been made if it had not been for the sun-dial. Certainly it would not have been made at that critical point in Mr. Pottermack's life; and if it had not--but we will not waste our energies on vain speculations. We will take the safe and simple course. We will begin with the sun-dial...