Humor is richly rewarding to the person who employs it. It has some value in gaining and holding attention, but it has no persuasive value at all.
“Chase after the truth like all hell and you'll free yourself, even though you never touch its coat tails.”
“The motives of these parents vary, many parents don't like the curriculum being taught to their kids, or are wary of the threat of peer pressure or the presence of drugs or violence lurking in too many of our schools today.”