The quote is known worldwide  sorry but thats nonsense  You talk like its one of historys most significant utterances and thats plainly not true  The existence of the guideline is exactly to prevent this kind of absurd I think its famous I think it isnt unresolvable nonsense  As for the context in which this quote is being used its in the introduction of an article in which its purpose is to illustrate that the opera was harshly described by some critics  The fame or otherwise of the quote couldnt be less relevant  musicologist Joseph Kerman called it contains all the necessary information