If thinking is like perceiving, it must be either a process in which the soul is acted upon by what is capable of being thought, or a process different from but analogous to that. The thinking part of the soul must therefore be, while impassable, capable of receiving the form of an object; that is, must be potentially identical in character with its object without being the object. Mind must be related to what is thinkable, as sense is to what is sensible.
Why needs a man be rich? Why must he have horses, fine garments, handsome apartments, access to public houses, and places of amusement? Only for want of thought.
Do I wish that things were more orderly in Washington and rational and people listened to the best arguments and compromised and operated in a more thoughtful and organized fashion? Absolutely. But when you look at history that's been the exception rather than the norm.