Carl Jung, Swiss psychiatrist and psychoanalyst who founded analytical psychology Share on Facebook Share on Twitter Comment on this quote Share via Email Print this Page [1-1] of 1 Carl Jung quotesCarl Jung QuotesCarl Jung Rational argument can be conducted with some prospect of success only so long as the emotionality of a given situation does not exceed a certain critical degree. If the affective temperature rises above this level, the possibility of reason’s having any effect ceases and its place is taken by slogans and chimerical wish fantasies. That is to say, a sort of collective possession results which rapidly develops into a psychic epidemic.~ Carl Jung Share on Facebook Tweet Email Print