 As the passage makes clear, however, Nietzschean perspectives are themselves rooted in affects (and the valuations to which affects give rise), and in his mind, the ability to deploy a variety of perspectives is just as important for our practical and evaluative lives as it is for cognitive life. In GM I, 16, for example, he wraps up a discussion of the sharp opposition between the good/bad and good/evil value schemes with a surprising acknowledgment that the best of his contemporaries will need both, despite their opposition: