Having kept a sharp eye on philosophers, and having read between their lines long 
enough, I now say to myself that the greater part of conscious thinking must be counted 
among the instinctive functions, and it is so even in the case of philosophical thinking; 
one has here to learn anew, as one learned anew about heredity and "innateness." As little 
as the act of birth comes into consideration in the whole process and procedure of 
heredity, just as little is "being-conscious" OPPOSED to the instinctive in any decisive 
sense; the greater part of the conscious thinking of a philosopher is secretly influenced by 
his instincts, and forced into definite channels. And behind all logic and its seeming 
sovereignty of movement, there are valuations, or to speak more plainly, physiological 
demands, for the maintenance of a definite mode of life For example, that the certain is 
worth more than the uncertain, that illusion is less valuable than "truth" such valuations, 
in spite of their regulative importance for US, might notwithstanding be only superficial 
valuations, special kinds of maiserie, such as may be necessary for the maintenance of 
beings such as ourselves. Supposing, in effect, that man is not just the "measure of 
things." 
4. The falseness of an opinion is not for us any objection to it: it is here, perhaps, that our 
new language sounds most strangely. The question is, how far an opinion is 
life-furthering, life- preserving, species-preserving, perhaps species-rearing, and we are 
fundamentally inclined to maintain that the falsest opinions (to which the synthetic 
judgments a priori belong), are the most indispensable to us, that without a recognition of 
logical fictions, without a comparison of reality with the purely IMAGINED world of the 
absolute and immutable, without a constant counterfeiting of the world by means of 
numbers, man could not live--that the renunciation of false opinions would be a 
renunciation of life, a negation of life. TO RECOGNISE UNTRUTH AS A CONDITION 
OF LIFE; that is certainly to impugn the traditional ideas of value in a dangerous manner, 
and a philosophy which ventures to do so, has thereby alone placed itself beyond good 
and evil. 
5. That which causes philosophers to be regarded half- distrustfully and half-mockingly, 
is not the oft-repeated discovery how innocent they are--how often and easily they make 
mistakes and lose their way, in short, how childish and childlike they are,--but that there 
is not enough honest dealing with them, whereas they all raise a loud and virtuous outcry 
when the problem of truthfulness is even hinted at in the remotest manner. They all pose 
as though their real opinions had been discovered and attained through the self-evolving 
of a cold, pure, divinely indifferent dialectic (in contrast to all sorts of mystics, who, 
fairer and foolisher, talk of "inspiration"), whereas, in fact, a prejudiced proposition, idea, 
or "suggestion," which is generally their heart's desire abstracted and refined, is defended 
by them with arguments sought out after the event. They are all advocates who do not 
wish to be regarded as such, generally astute defenders, also, of their prejudices, which
they dub "truths,"-- and VERY far from having the conscience which bravely admits this 
to itself, very far from having the good taste of the courage which goes so far as to let this 
be understood, perhaps to warn friend or foe, or in cheerful confidence and self-ridicule. 
The spectacle of the Tartuffery of old Kant, equally stiff and decent, with which he 
entices us into the dialectic by-ways that lead (more correctly mislead) to his "categorical 
imperative"-- makes us fastidious ones smile, we who find no small amusement in spying 
out the subtle tricks of old moralists and ethical preachers. Or, still more so, the 
hocus-pocus in mathematical form, by means of which Spinoza has, as it were, clad his 
philosophy in mail and mask--in fact, the "love of HIS wisdom," to translate the term 
fairly and squarely--in order thereby to strike terror at once into the heart of the assailant 
who should dare to cast a glance on that invincible maiden, that Pallas Athene:--how 
much of personal timidity and vulnerability does this masquerade of a sickly recluse 
betray! 
6. It has gradually become clear to me what every great philosophy up till now has 
consisted of--namely, the confession of its originator, and a species of involuntary and 
unconscious auto-biography; and moreover that the moral (or immoral) purpose in every 
philosophy has constituted the true vital germ out of which the entire plant has always 
grown. Indeed, to understand how the abstrusest metaphysical assertions of a philosopher 
have been arrived at, it is always well (and wise) to first ask oneself: "What morality do 
they (or does he) aim at?" Accordingly, I do not believe that an "impulse to knowledge" 
is the father of philosophy;    
    
		
	
	
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