Ecce Homo Complete Works, Volume Seventeen · Friedrich Wilhelm Nietzsche
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In all these things--in the choice of food, place, climate, and recreation--the instinct of self-preservation is dominant, and this instinct manifests itself with least ambiguity when it acts as an instinct of defence. To close one's eyes to much, to seal one's ears to much, to keep certain things at a distance--this is the first principle of prudence, the first proof of the fact that a man is not an accident but a necessity. The popular word for this instinct of defence is _taste._ A man's imperative command is not only to say "no" in cases where "yes" would be a sign of "disinterestedness," but also to say "no" _as seldom as possible._ One must part with all that which compels one to repeat "no," with ever greater frequency. The rationale of this principle is that all discharges of defensive forces, however slight they may be, involve enormous and absolutely superfluous losses when they become regular and habitual. Our greatest expenditure of strength is made up of those small and most frequent discharges of it. The act of keeping things off, of holding them at a distance, amounts to a discharge of strength,--do not deceive yourselves on this point!--and an expenditure of energy directed at purely negative ends.
Simply by being compelled to keep constantly on his guard, a man may grow so weak as to be unable any longer to defend himself. Suppose I were to step out of my house, and, instead of the quiet and aristocratic city of Turin, I were to find a German provincial town, my instinct would have to brace itself together in order to repel all that which would pour in upon it from this crushed-down and cowardly world. Or suppose I were to find a large German city--that structure of vice in which nothing grows, but where every single thing, whether good or bad, is squeezed in from outside. In such circumstances should I not be compelled to become a hedgehog? But to have prickles amounts to a squandering of strength; they even constitute a twofold luxury, when, if we only chose to do so, we could dispense with them and open our hands instead....
Another form of prudence and self-defence consists in trying to react as seldom as possible, and to keep one's self aloof from those circumstances and conditions wherein one would be condemned, as it were, to suspend one's "liberty" and one's initiative, and become a mere reacting medium. As an example of this I point to the intercourse with books. The scholar who, in sooth, does little else than handle books--with the philologist of average attainments their number may amount to two hundred a day--ultimately forgets entirely and completely the capacity of thinking for himself. When he has not a book between his fingers he cannot think. When he thinks, he responds to a stimulus (a thought he has read),--finally all he does is to react. The scholar exhausts his whole strength in saying either "yes" or "no" to matter which has already been thought out, or in criticising it--he is no longer capable of thought on his own account.... In him the instinct of self-defence has decayed, otherwise he would defend himself against books. The scholar is a decadent. With my own eyes I have seen gifted, richly endowed, and free-spirited natures already "read to ruins" at thirty, and mere wax vestas that have to be rubbed before they can give off any sparks--or "thoughts." To set to early in the morning, at the break of day, in all the fulness and dawn of one's strength, and to read a book--this I call positively vicious!
Ideas discussed in this chapter
Text from Project Gutenberg, public domain in the United States.