— 306 —
Thinking and Motivity, the primary Ideas of Spirit.       §18. The Ideas we have belonging, and peculiar to Spirit, are Think-
ing, and Will, or a power of putting Body into motion by Thought,
and, which is consequent to it, Liberty. For as Body cannot but
communicate its Motion by impulse, to another Body, which it
meets with at rest; so the Mind can put Bodies into Motion, or
forbear to do so, as it pleases. The Ideas of Existence, Duration, and
Mobility, are common to them both.
Locke Hum II, 23, §18, p. 306