Kitap 1
7.18
Things, superiority in which is more desirable or nobler, are to be preferred; for instance, sharpness of sight is preferable to keenness of smell for sight is better than smell. And loving one's friends more than money is nobler, whence it follows that love of friends is nobler than love of money. And, on the other hand, the better and nobler things are, the better and nobler will be their superiority; and similarly, those things, the desire for which is nobler and better, are themselves nobler and better,
7.19
for greater longings are directed towards greater objects. For the same reason, the better and nobler the object, the better and nobler are the desires.
7.20
And when the sciences are nobler and more dignified, the nobler and more dignified are their subjects; for as is the science, so is the truth which is its object, and each science prescribes that which properly belongs to it; and, by analogy, the nobler and more dignified the objects of a science, the nobler and more dignified is the science itself, for the same reasons.