And whensoever another of the old men lay down he used to hold up a book above him, and when he dropped off to sleep the book would fall down and awake him. One of the old men whilst exhorting the brethren to work of spiritual excellence used to say, 2 "Troubles are hard unto those who are not accustomed "to them. Troubles are like unto dogs; for as dogs "[Page ] bite those who are not familiar with them,[…]