All men naturally desire knowledge. An
indication of this is our esteem for the senses; for apart from their
use we esteem them for their own sake, and most of all the sense of
sight. Not only with a view to action, but even when no action is
contemplated, we prefer sight, generally speaking, to all the other
senses.The reason of
this is that of all the senses sight best helps us to know things, and
reveals many distinctions.
are by nature born with the power of sensation, and from this some
acquire the faculty of memory, whereas others do not.