CHAPTER VI. OF THE MOTION OF THE SOUL.
Plato believes that the soul is in perpetual motion, but that it is immovable as regards motion from place to place. Aristotle, that the soul is not naturally moved, but its motion is accidental, resembling that which is in the forms of bodies.
CHAPTER VII. OF THE SOUL'S IMMORTALITY.
Plato and Pythagoras say that the soul is immortal; when it departs out of the body, it retreats to the soul of the world, which is a being of the same nature with it. The Stoics, when the souls leave the bodies, they are carried to divers places; the souls of the unlearned and ignorant descend to the coagmentation of earthly things, but the learned and vigorous last till the general fire. Epicurus and Democritus, the soul is mortal, and it perisheth with the body. Plato and Pythagoras, that part of the soul of man which is rational is eternal; for though it be not God, yet it is the product of an eternal deity; but that part of the soul which is divested of reason dies.
CHAPTER VIII. OF THE SENSES, AND OF THOSE THINGS WHICH ARE OBJECTS OF THE SENSES,
The Stoics give this definition of sense: Sense is the Apprehension or comprehension of an object by means of an organ of sensation. There are several ways of expressing what sense is; it is either a habit, a faculty, an operation, or an imagination which apprehends by means of an organ of sense,—and also the eighth principal thing, from whence the senses originate. The instruments of sense are intelligent exhalations, which from the said commanding part extend unto all the organs of the body. Epicurus, that sense is a faculty, and that which is perceived by the sense is the product of it; so that sense hath a double acceptation,—sense which is the faculty, and the thing received by the sense, which is the effect. Plato, that sense is that commerce which the soul and body have with those things that are exterior to them; the power of which is from the soul, the organ by which is from the body; but both of them apprehend external objects by means of the imagination. Leucippus and Democritus, that sense and intelligence arise from external images; so neither of them can operate without the assistance of image falling upon us.