The phrase "dangerous illusion" refers to a false idea or belief that can be harmful or risky. It means believing in something that seems good or true but can actually lead to dangerous consequences. Full definition
«When beggars and shoeshine boys, barbers and beauticians can tell you how to get rich it is time to remind yourself that there is no more dangerous illusion than the belief that one can get something for nothing» Bernard Baruch (mastersinvest.com)
Kazuo Ishiguro, the Japanese - born British novelist who in «The Remains of the Day,» «Never Let Me Go» and other novels captured memory's lasting pain and dangerous illusions in precise and elegant prose, won the Nobel Literature Prize. (southflorida.com)
The Trivialization of God: The Dangerous Illusion of a Manageable Deity By Donald W. McCullough NavPress, 172 pages, $ 16 The president of San Francisco Theological Seminary offers a sprightly and at times disturbing critique of the many ways in which we try to domesticate God» fitting Him into our emotions, concepts, or social» political proclivities. (firstthings.com)