He is very apt to consider these internal states as identical with himself, instead of their being simply "things" produced by some part of his mentality, and existing within him—of him, and in him, but still not "himself." He sees that he may change these internal states of feelings by all effort of will, and that he may produce a feeling or state of an exactly opposite nature, in the same way, and yet the same "Me" exists. And so after a while he is able to set aside these various mental states, emo