H.L. Mencken once said, "No one in this world, as far as I know . . . has ever lost money by underestimating the intelligence of the great masses of the plain people." Being a "small d" democrat and believing that stupidity is not limited by one's social standing, I'd delete "the great masses of the plain."

But, apart from that nit, I am in awe -- I just can't figure out how Mr. Mencken ...