The phrase "a common delusion" is correct and usable in written English.
It can be used to describe a widely held but false belief or perception among a group of people.
Example: "Many people believe that success comes only from hard work, but this is a common delusion that overlooks other factors like opportunity and privilege."
Alternatives: "a widespread misconception" or "a prevalent falsehood".
A kind of nationalistic narcissism joins the left and the right in a common delusion: the first believes that American support for Israel and the invasion of Iraq are behind all the turmoil in the Middle East today; the second sees American ideals and military might as the answer to that turmoil.
Yet even all this may not placate the nationalists whose real fear is of becoming an ethnic minority and so losing their influence at the polls.Conspiracy unlimitedWhere the pipelines are concerned, the nationalists appear to be gripped by a common delusion that America secretly wants Baluchistan to secede from Pakistan, in order to secure the superpower a new source of oil.
This engenders feelings of poor self-esteem, with a common delusion that people around that week are somehow 'losers.' " IF this is a big week for in-towners to go out of town, it's also prime time for out-of-towners to come in.
Ending his testimony, Dr Chee stated that it was incredible that three people with different mental illnesses should share a common delusion of receiving a request to kill from a god.
Nora Ephron expresses a surprisingly common delusion among liberals, who have long been blinded by the impossible ideals and expectations they impose on anyone who dares to lead them.
"It's a romantic, but unhealthy, and unfortunately all too common delusion," she said of girls who liked the character of Draco, continuing that many of the girls thought "that they are going to change someone".
He had grown up in Vilna, now Vilnius in Lithuania, and fled east when the Germans occupied the city, leaving his first wife and mother behind in the common delusion that Germans would persecute only the men.
How else would the entire country have come to the common delusion that this race was going to be tight -- or even a "landslide for Romney"?
That outcome is theoretically possible, but the notion that it is likely is a common self-delusion that was summed up nicely in James Manns 2007 book The China Fantasy.
As is stated through literature, the most common psychiatric disturbance that the primary suffers from is schizophrenia and the most common delusions are of persecution.
Critical illness is frequently complicated by delirium [ 9], and delusions are a common component of delirium, suggesting that delirium may be associated with the development of PTSD.
