The soul must be distinct from intellect because even at its best, what the soul does when it's thinking, is it thinks linguistically, it thinks in a temporarily extended way, so it for example, might go through the steps of an argument chain, as if you were going through a syllogism and seeing that something followed from the premises, whereas intellect simply grasps the forms.
God, or what have you, will not be found at the far end of a syllogism, no matter how brilliantly phrased or conceived.
SYLLOGISM, n. A logical formula consisting of a major and a minor assumption and an inconsequent.
I'm afraid that the following syllogism may be used by some in the future. Turing believes machines think Turing lies with men Therefore machines do not think Yours in distress, Alan