Dan Brown. Inferno (№ 167581)

Someone told Langdon that are mythological metaphor of running to meetings members of alcoholics anonymous, discussing the situation drunks sitting in front of a glass of drink and his brain says that alcohol will damage him, but the heart seeks comfort it may give. Morality in this case, obviously, is: don't think you're the only one so tight, even the gods couldn't get along with each other.