Folly in fools bears not so strong a note, As
foolery in the wise, when wit doth dote. --Shak.
2. An act of folly or weakness; a foolish practice; something
absurd or nonsensical.
That Pythagoras, Plato, or Orpheus, believed in any
of these fooleries, it can not be suspected. --Sir
W. Raleigh.