Johann Gottlieb Fichte,
Facts of Consciousness — Part Two…
(1817)
“ But does he not speak of the validity of the categorical imperative for all men? True, but not otherwise than he has spoken already in the Introduction to the "Critique of Pure Reason" of Extension as the form of contemplation for us men. If it were his speculative system which spoke thus, he would have to show up this categorical imperative as the determining ground of some particular consciousness (as we have pointed out, the power of life as the determining ground of the Internal of nature) , and, moreover, of that consciousness through which many and all are posited. ”
