Alfred William Benn, The Greek Philosophers, Vol. 2…
“ It is, perhaps, characteristic of the times that Aelian’s stories should redound more especially to the credit of Asclêpius and Heracles, who were not gods of the first order, but demi-gods or deified mortals. Their worship, like that of the Nature-powers connected with earth rather than with heaven, belongs particularly to the popular religion, and seems to have been repressed or restrained in societies organised on aristocratic principles. ”
