Benedict de Spinoza, THE ETHICS
(Ethica Ordine Geometrico Demonstrata)
Translated by R. H. M. Elwes
Part II: ON THE NATURE AND ORIGIN OF THE MIND
PREFACE I now pass on to explaining the results, which must
necessarily follow from the essence of God, or of the eternal
and infinite being; not, indeed, all of them (for we proved in
Part i., Prop. xvi., that an infinite number must follow in an
infinite number of ways), but only those which are able to lead
us, as it were by the hand, to the knowledge of the human mind
and its highest blessedness.
DEFINITIONS I. By 'body' I mean a mode which expresses in a
certain determinate manner the essence of God, in so far as he
is considered as an extended thing. (See Pt. i., Prop. xxv.