He held that in fact the human intellect is able to perceive the nature of reality through a purely intellectual perception.
For as that colour is more suitable to the eye whose freshness and pleasantness stimulates and strengthens the sight, so a man ought to apply his intellectual perception to such objects as, with the sense of delight, are apt to call it forth, and allure it to its own proper good and advantage.
In both sensory and intellectual perception, one can require a considerable degree of activity and acuity on the part of the perceiver, and in both cases one can treat failed perception as a function both of the extent to which the capacity is possessed by the perceiver and the perceiver's efforts to employ it.
As we have seen, in the Second and Third Meditations Descartes argues from the indubitability of the cogito reasoning to the trustworthiness of intellectual perception to the existence of a perfect being (God).
For if some have no graces to charm the sense, yet even these, by disclosing to intellectual perception the artistic spirit that designed them, give immense pleasure to all who can trace links of causation, and are inclined to philosophy.
Clarity and distinctness of intellectual perception is the mark of truth.
Hence, he sets up clear and distinct intellectual perception, independent of the senses, as the mark of truth (7 35, 62, 73).
Not the conception or intellectual perception of evil, but the grisly blood-freezing heart-palsying sensation of it close upon one, and no other conception or sensation able to live for a moment in its presence". And while his letters to his parents hint at some of this darkness, there he mostly chats about that other Berlin experience, the roast veal and the beer and the music and the philosophy.
You also can see the intellectual perception they can have". When he asked in rehearsal for more expression, he says with the same grin as on camera, "They produced a sound that is a kind of magic.
The vagabond's discovery of America has a resonance that frustrates long-held intellectual perceptions, often finding truths the intellectuals overlook.
There can be intellectual perceptions that do not depend on the brain.
