 The differences between Kantian and medieval theories of practical reason are obvious even from such a short description of their elements. The adherence of Albert and Thomas to the Greek view of human nature led them to their conviction of the will’s natural inclination toward the good. Such a notion permits Thomas to advise us to seek naturally what is useful to us. (De veritate, q. 24, a. 8). What is truly advantageous to human beings must always be conducive to attaining the human end, beatitude; utility in this sense will always be a reliable guide to correct moral choice. Thomas claims that every thing to which man has a natural inclination human reason apprehends as good. For Kant human beings cannot be permitted to pursue their inclinations which are to be viewed as subjective desires. Such desires lead to moral error at least as often as they produce right action. The objectivity of the pure concept of the human will precludes the recognition of human inclination as a measure of human goodness.