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How beneficial. Let us table the question, then, of whether psychological observation brings more advantage or harm upon men. What is certain is that it is necessary, for science cannot do without it. Science, however, takes as little consideration of final purposes as does nature; just as nature sometimes brings about the most useful things without having wanted to, so too true science, which is the imitation of nature in concepts, will sometimes, nay often, further man's benefit and welfare and achieve what is useful--but likewise without having wanted to. Whoever feels too wintry in the breeze of this kind of observation has perhaps too little fire in him. Let him look around meanwhile, and he will perceive diseases which require cold poultices, and men who are so "moulded" out of glowing spirit that they have great trouble in finding an atmosphere cold and biting enough for them anywhere. Moreover, as all overly earnest individuals and peoples have a need for frivolity; as others, who are overly excitable and unstable, occasionally need heavy, oppressive burdens for their health's sake; so should not we--the more intellectual men in an age that is visibly being set aflame more and more--reach for all quenching and cooling means available to remain at least as steady, harmless, and moderate as we now are and thus render service to this age at some future time as a mirror and self?reflection of itself?