One thing only do I know for certain and that is that man's judgments of value follow directly his wishes for happiness-that, accordingly, they are an attempt to support his illusions with arguments. [p.111]
Sigmund FreudConscience is the internal perception of the rejection of a particular wish operating within us.
Sigmund FreudThe view is often defended that sciences should be built up on clear and sharply defined basal concepts. In actual fact no science, not even the most exact, begins with such definitions. The true beginning of scientific activity consists rather in describing phenomena and then in proceeding to group, classify and correlate them.
Sigmund Freud