All philosophical inquiries relate to Matter or Mind-importance of a
knowledge of the latter-its influence upon physical science, in
Education, Poetry, Eloquence, Criticism, Moral Science, Theology,
&c.-its tendency to strengthen the faculties, &c. &c.
Thoughts, Ideas, Sensations, &c. are the Mind itself in particular states-
Mental Powers, &c. are capabilities of existing in these states-The
nature of Physical Qualities, &c.