In the metaphysical elements of aesthetics the various nonmoral feelings are to be made use of; in the elements of moral metaphysics the various moral feelings of men, according to the differences in sex, age, education, and government, of races and climates, are to be employed.

Part III : Selection on Education from Kant's other Writings, Ch. I Pedagogical Fragments, # 58 - The Educational Theory of Immanuel Kant (1904)