Thomas Aquinas

“ Now things void of reason have indeed a power of achieving an end by way of execution, as that by which a heavy body has a downward tendency, whereas a light body has an upward tendency. Yet the power of command in respect of the end is not in them, but in some higher nature, which moves all nature by its command, just as in things endowed with knowledge, the appetite moves the other powers to their acts. Wherefore it is clear that things void of knowledge, although they attain an end, have no enjoyment of the end: this is only for those that are endowed with knowledge. ”

“ Further, each power has its proper end, which is its perfection: thus the end of sight is to know the visible; of the hearing, to perceive sounds; and so forth. But the end of a thing is its fruit. Therefore to enjoy belongs to each power, and not only to the appetite.
Objection 3: Further, enjoyment implies a certain delight. But sensible delight belongs to sense, which delights in its object: and for the same reason, intellectual delight belongs to the intellect. Therefore enjoyment belongs to the apprehensive, and not to the appetitive power. ”

“ Therefore enjoyment of anything but the last end is not enjoyment properly speaking, as falling short of the nature of enjoyment. But enjoyment of the last end, not yet possessed, is enjoyment properly speaking, but imperfect, on account of the imperfect way in which it is possessed. ”