Reflective thought covers itself that it may abide still.

...that what ever the light of Christ makes appear to be evill and to be cast off then the other light which stands in mans wisdom, makes a cover for it that it may abide still ...

Source: A Discovery of the First Wisdom from Beneath and the Second Wisdom from Above. pg. 2 1656.

Brain and Will seat of the Serpent

...the will and brain which is the Serpents seat.

Source: A Discovery of the First Wisdom from Beneath, and the Second Wisdom from Above. pg. 1656.