When people believe a conclusion is true, they are also very likely to believe arguments that appear to support it, even when these arguments are unsound.
Daniel KahnemanTo know whether you can trust a particular intuitive judgment, there are two questions you should ask: Is the environment in which the judgment is made sufficiently regular to enable predictions from the available evidence? The answer is yes for diagnosticians, no for stock pickers. Do the professionals have an adequate opportunity to learn the cues and the regularities? The answer here depends on the professionals' experience and on the quality and speed with which they discover their mistakes.
Daniel KahnemanPeople should be conscious of the large contribution made by anything that gets people together easily in the reduction of loneliness and emotional well-being.
Daniel Kahneman