… is from page 38 of an October 1919 piece by H.L. Mencken in the Smart Set, as an excerpt of this piece is reprinted in A Second Mencken Chrestomathy (1995):
Nothing, in fact, could be more commonplace than the observation that the crazes which periodically ravage the proletariat are, in the main, no more than distorted echoes of delusions cherished centuries ago.


Nothing, in fact, could be more commonplace than the observation that the crazes which periodically ravage the proletariat are, in the main, no more than distorted echoes of delusions cherished centuries ago.
