Walter Hepworth, 1911 Encyclopædia Britannica (1911)
“ FOOL (O. Fr. fol, modern fou, foolish, from a Late Latin use of follis, bellows, a ball filled with air, for a stupid person, a jester, a wind-bag) , a buffoon or jester. The class of professional fools or jesters, which reached its culminating point of influence and recognized place and function in the social organism during the middle ages, appears to have existed in all times and countries. Not only have there always been individuals naturally inclined and endowed to amuse others ”
