The eighth commandment presupposes and assumes the right of every man to his powers, and their product.

He feels compelled to this course because he realizes that his theory that savages originally ornamented themselves in order to make themselves attractive to the opposite sex "presupposes of course that savage girls enjoy great liberty in the choice of a mate."

It was followed in 1881 by his "Text-book to Kant," an exposition which his "Secret" presupposes, and which he advised the students of it to expect, that they might be able to construe the entire Hegelian system from its root in Kant.