Note 061
Cassian, from his own experience, describes the acedia, or listlessness of mind and body, to which a monk was exposed when he sighed to find himself alone. Saepiusque egreditur et ingreditur cellam, et Solem velut ad occasum tardius properantem crebrius intuetur (Institut. x. 2).
The History Of The Decline and Fall Of The Roman EmpireVolume 1Chapter 37