“What does emerge is the importance of a right theory as to what constitutes happiness. In such important acts as choosing a career, a man is greatly influenced by theory. If a wrong theory prevails, successful men will be unhappy, but will not know why.
This fills them with rage, which leads them to desire the slaughter of younger men, whom they envy unconsciously. Most modern politics, while nominally based on economics, is really due to rage caused by lack of instinctive satisfaction; and this lack, in turn, is largely due to false popular psychology.”