Pathology has made us acquainted with a great number of states in which the boundary lines between the ego and the external world become uncertain or in which they are actually drawn incorrectly. There are cases in which parts of a person's own body, even portions of his own mental life - his perceptions, thoughts and feelings -, appear alien to him and as not belonging to his ego; there are other cases in which he ascribes to the external world things that clearly originate in his own ego and that ought to be acknowledged by it.
Sigmund FreudNeurotics complain of their illness, but they make the most of it, and when it comes to taking it away from them they will defend it like a lioness her young.
Sigmund FreudWhen making a decision of minor importance, I have always found it advantageous to consider all the pros and cons.
Sigmund Freud