The virtue of a faculty is related to the special function which that faculty performs. Now there are three elements in the soul which control action and the attainment of truth: namely, Sensation, Intellect, and Desire. Of these, Sensation never originates action, as is shown by the fact that animals have sensation but are not capable of action.
AristotleTruth is a remarkable thing. We cannot miss knowing some of it. But we cannot know it entirely.
AristotleTo run away from trouble is a form of cowardice and, while it is true that the suicide braves death, he does it not for some noble object but to escape some ill.
AristotleFor as the eyes of bats are to the blaze of day, so is the reason in our soul to the things which are by nature most evident of all.
Aristotle