The Most basic duty is to treat humanity, both in your own person, and in the person of every other, always at the same time as an end, never simply as a means. The two main duties that derive from it are: (1) the perfect duty to act on no maxims that use people as mere means. (2) the imperfect duty to act on some maxims that foster peoples’ ends. Solution The Most basic duty is to treat humanity, both in your own person, and in the person of every other, always at the same time as an end, never simply as a means. The two main duties that derive from it are: (1) the perfect duty to act on no maxims that use people as mere means. (2) the imperfect duty to act on some maxims that foster peoples’ ends..