prestige of the permitted, the honoured, the useful, and finally the appearance and innocence of the good. Knowledge, thus became a portion of life itself, and as life it became a continually growing power: until finally the cognitions and those primeval, fundamental errors clashed with each other, both as life, both as power, both in the same man. The thinker is now the being in whom the impulse to truth and those life-preserving errors wage their first conflict, now that the impulse to truth has also proved itself to be a life-preserving power. In comparison with the importance of this conflict everything else is indifferent; the final question concerning the conditions of life is here raised, and the first attempt is here made to answer it by experiment. How far is truth susceptible of embodiment? — that is the question, that is the experiment.
111.
Origin of the Logical. — Where has logic originated in men's heads? Undoubtedly out of the illogical, the domain of which must originally have been immense. But numberless beings who reasoned otherwise than we do at present, perished; albeit that they may have come nearer to truth than we! Whoever, for example, could not discern the "like" often enough with regard to food, and with regard to animals dangerous to him, whoever, therefore, deduced too slowly, or was too circumspect in his deductions, had smaller probability of survival than he who in all similar cases immediately divined the equality. The preponderating
