But there is perhaps another symptom of our fellow citizens of the world which has caused us no less surprise and fear than this descent from former ethical heights which has been so painful to us. I mean the lack of insight that our greatest intellectual leaders have shown, their obduracy, their inaccessibility to the most impressive arguments, their uncritical credulity concerning the most contestable assertions. This certainly presents a sad picture, and I wish expressly to emphasize that I am by no means a blinded partisan who finds all the intellectual mistakes on one side. But this phenomenon is more easily explained and far less serious than the one which we have just considered. Students of human nature and philosophers have long ago taught us that we do wrong to value our intelligence as an independent force and to overlook its dependence upon our emotional life. According to their view our intellect can work reliably only when it is removed from the influence of powerful incitements; otherwise it acts simply as an instrument at the beck and call of our will and delivers the results which the will demands. Logical argumentation is therefore powerless against affective interests; that is why arguing with reasons which, according to Falstaff, are as common as blackberries, are so fruitless where our interests are concerned. Whenever possible psychoanalytic experience has driven home this assertion. It is in a position to prove every day that the cleverest people suddenly behave as unintelligently as defectives as soon as their understanding encounters emotional resistance, but that they regain their intelligence completely as soon as this resistance has been overcome. This blindness to logic which this war has so frequently conjured up in just our best fellow citizens, is therefore a secondary phenomenon, the result of emotional excitement and destined, we hope, to disappear simultaneously with it. If we have thus come to a fresh understanding of our estranged fellow citizens we can more easily bear the disappointment which nations have caused us, for of them we must only make demands of a far more modest nature. They are perhaps repeating the development of the individual and at the present day still exhibit very primitive stages of development with a correspondingly slow progress towards the formation of higher unities. It is in keeping with this that the educational factor of an outer compulsion to morality, which we found so active in the individual, is barely perceptible in them. We had indeed hoped that the wonderful community of interests established by intercourse and the exchange of products would result in the beginning of such a compulsion, but it seems that nations obey their passions of the moment far more than their interests. At most they make use of their interests to justify the gratification of their passions.