What is a friend? A single soul dwelling in two bodies.

The female is, as it were, a mutilated male, and the catamenia are semen, only not pure; for there is only one thing they have not in them, the principle of soul.

The word is a sign or symbol of the impressions or affections of the soul.

A state of the soul is either (1) an emotion, (2) a capacity, or (3) a disposition; virtue therefore must be one of these three things.

[this element], the seat of the appetites and of desire in general, does in a sense participate in principle, as being amenable and obedient to it

Of the irrational part of the soul again one division appears to be common to all living things, and of a vegetative nature.

But if nothing but soul, or in soul mind, is qualified to count, it is impossible for there to be time unless there is soul, but only that of which time is an attribute, i.e. if change can exist without soul.

While the faculty of sensation is dependent upon the body, mind is separable from it

Opinion involves belief (for without belief in what we opine we cannot have an opinion), and in the brutes though we often find imagination we never find belief.