Intellect (n.) is a magnitude of intensity, not a magnitude of extensity.
The Intellect (n.) is capable of leading the will only as much as the guide is capable of leading his master.
The Intellect (n.) is developed by danger, as in the fox, or by want, as in the criminal, but remains subordinate and instrumental to desire.
Intellect (n.) is merely the minister of foreign affairs which nature has produced for the service of the individual will.
Intellect (n.) is only designed to know things so far as they afford motives for the will, but not to fathom them or to comprehend their true being.
The Intellect's (n.) seat in the brain, a thing that feels fatigue, pain, requires food and sleep. It stands in contrast to the will which has no cerebral component, never tires and toils away even in sleep (like the heart).
Intellect (n.) is invisible to the man who has none.