He [Freud] often said three things were impossible to fulfill completely; healing, education, governing. He limited his goals in analytic treatment to brining the patient to the point where he could work for a living and learn to love.
There are only two roads that lead to something like human happiness. They are marked by the words: love and achievement. In order to be happy oneself it is necessary to make at least one other person happy. The secret of human happiness is not in self-seeking but in self-forgetting.