““Yet we see, on the contrary, that many acts are most successfully carried out when they are not the objects of particularly concentrated attention, and that the mistakes occur just at the point where one is most anxious to be accurate—where a distraction of the necessary attention is therefore surely least permissible. One could then say that this is the effect of the "excitement," but we do not understand why the excitement does not intensify the concentration of attention on the goal that is so much desired.””
