The goal towards which the pleasure principle impels us - of becoming happy - is not attainable: yet we may not - nay, cannot - give up the efforts to come nearer to realization of it by some means or other.
Sigmund FreudSo in every individual the two trends, one towards personal happiness and the other unity with the rest of humanity, must contend with each other.
Sigmund FreudI was making frequent use of cocaine at that time ... I had been the first to recommend the use of cocaine, in 1885, and this recommendation had brought serious reproaches down on me.
Sigmund Freud