The phrase "same delusion" means that different people believe in or share the same false idea or unrealistic belief.
Sentences with «same delusion»
I believe he was a perfectly sane individual (besides the fact that he suffers from the same delusions of god as the majority of the world). (religion.blogs.cnn.com)
It's fuuny how the same delusions and nonsense wish thinking produces the same results. (religion.blogs.cnn.com)
Just because I don't live the same delusions you do does not make my life of any less value!! (religion.blogs.cnn.com)