Books, gentlemen, are a species of men, and introduced to them you circulate in the "very best society" that this world can furnish, without the intolerable infliction of "dressing" to go into it. In your shabbiest coat and cosiest slippers you may socially chat even with the fastidious Earl of Chesterfield, and lounging under a tree enjoy the divinest intimacy with my late lord of Verulam.
Acedia is a danger to anyone whose work requires great concentration and discipline yet is considered by many to be of little practical value. The world doesn't care if I write another word, and if I am to care, I have to summon all my interior motivation and strength.