if you can't dazzle them with brilliance, baffle them with bull

== English == === Alternative forms === if you can't dazzle them with your brilliance, blind them with bullshit === Etymology === Misattributed to W.C. Fields. Original source unknown. === Phrase === if you can't dazzle them with brilliance, baffle them with bull (slang, somewhat vulgar) When one doesn't have all the facts or have a brilliant explanation, one can often convince people or win an argument by using nonsense.