The active (consciousness) can't be as secondary in relation to lifeless objects, or to the things, which are not capable to be reproduced, to the things which are not have a genome as well as the reality can't be exclusive, sole – the reality for each living being is its own and this reality is "scooped" by consciousness of each living being by means of the sense organs, which it has, directly from boundless Uniform with the hidden help of the single consciousness, to correspond to each living being, species which there can be a set.
Nietzsche, apparently, has understood, more precisely, he intuitively has felt this difficult ratio of things and consciousness (sensations). He, in particular, disagreed that correspondence of language (the thinking tool) of external and internal reality is truth: "What such word? It is transmission by sounds of the first irritation. But to do the inference from irritation of nerves to the reason lying out of us there is already a result of false and inadmissible application of provision on the base. If only truth was a decisive condition in case of an origin of language, and collecting designations of subjects, people were satisfied only certainty, – then thus we could tell that: "the stone is solid" as though the word "solid" designates something absolute, but not our absolutely subjective sensation!" [2, p. 3].
As for Avenarius in his opposition to an objective truth (which is denied by him) of value of cognition by the principle of the smallest expenditure of forces: "If the basis of theoretical apperceptions … consists in principle of the smallest measure of forces, the influence of the latter should be affected in austerity execution of the process of apperception. It, undoubtedly, also is impacted that the amount of representations of apperceptions is brought to a minimum, necessary for apperceptions. At comparative-scientific consciousness the aspiration to be restricted in case of an apperception perhaps by smaller reproduction of representations is manifested in needs of unity and in the requirement avoiding all excessive" [3, §22], then this approach is connected to operation of the organism which is aimed to an economization of efforts, but it hasn't a direct bearing on dependence or independence from consciousness of things.