opinions, whether good or bad, injurious or beneficial, true or false,
which form themselves in his mind, are never more than the effect of
those physical impulsions which the brain receives by the medium of the
senses.





CHAP. X.

_The Soul does not derive its ideas from itself--It has no innate
Ideas._


What has preceded suffices to prove, that the interior organ of man,
which is called his _soul_, is purely material. He will be enabled to
convince himself of this truth, by the manner in which he acquires his
ideas,--from those impressions which material objects successively make
on his organs, which are themselves acknowledged to be material. It has
been seen, that the faculties which are called intellectual, are to be
ascribed to that of feeling; the different qualities of those faculties
which are called moral, have been explained after the necessary laws of
a very simple mechanism: it now remains, to reply to those who still
obstinately persist in making the soul a substance distinguished from
the body, or who insist on giving it an essence totally distinct. They
seem to found their distinction upon this, that this interior organ has
the faculty of drawing its ideas from within itself; they will have it,
that man, at his birth, brings with him ideas into the world, which,
according to this wonderful notion, they have called _innate_. The Jews