<bq href="https://quoteinvestigator.com/2014/08/31/illusion/" author="William H. Whyte">The greatest barrier to communication is the illusion of it in the mind of the sender.</bq> <hr> This quote has quote a storied history, as documented in <a href="https://quoteinvestigator.com/2014/08/31/illusion/" author="" source="Quote Investigator">The Biggest Problem in Communication Is the Illusion That It Has Taken Place</a>. Alternatives are, <bq>The single biggest problem in communication is the illusion that it has taken place.</bq> <bq>The greatest problem with communication is the illusion that it has been accomplished.</bq> <bq>The most serious danger in communication is the illusion of having achieved it.</bq> <bq>The great enemy of communication is the illusion of it.</bq> I like what the quote investigator determined to be the original version.