Psychology
Our rational brain
our rational brain is [...] a computer operating system that was rushed to market Jonah Lehrer, Neuroscientist and author, as cited in Myth #29: People are rational on UX Myths
Human Error
Psychology
A predictable malfunction
Picking out clusters of coincidence is a predictable malfunction of normal human logic. The excellent Psychological weblog “You Are Not So Smart” explains The Texas Sharpshooter Fallacy
Religion
Rational arguments don't usually work on religious people
Rational arguments don’t usually work on religious people. Otherwise, there wouldn’t be religious people. Doris Egan, House M.D., The Right Stuff, 2007