A certain degree of neurosis is of inestimable value as a drive, especially to a psychologist.
Sigmund FreudWhoever loves becomes humble. Those who love have, so to speak, pawned a part of their narcissism.
Sigmund FreudAn intimate friend and a hated enemy have always been indispensable requirements for my emotional life; I have always been able to create them anew, and not infrequently my childish ideal has been so closely approached that friend and enemy coincided in the same person.
Sigmund FreudIt must be pointed out, however, that strictly speaking it is incorrect to talk of the dominance of the pleasure principle over the course of mental processes. If such a dominance existed, the immense majority of our mental processes would have to be accompanied by pleasure or to lead to pleasure, whereas universal experience completely contradicts any such conclusion.
Sigmund Freud