[100] for it must of necessity happen to the man who has advanced out of forgetfulness to recollect, and recollecting especially belongs to learning, for very often his notions escape from the man who is learning, as out of weakness he is unable to retain them, and then again they return to him as at the beginning. The condition therefore which arises from this escaping of his notions is denominated forgetfulness, and that which arises from their returning to him is called recollection.