Neither in my private life nor in my writings, have I ever made a secret of being an out-and-out unbeliever.
Sigmund FreudIt is impossible to overlook the extent to which civilization is built upon a renunciation of instinct.
Sigmund FreudConscience is the internal perception of the rejection of a particular wish operating within us.
Sigmund FreudAdolescent stage in the development of the human race from which humanity should free itself.
Sigmund FreudIt is a mistake to believe that science consists in nothing but conclusively proved propositions, and it is unjust to demand that it should. It is a demand made by those who feel a craving for authority in some form to replace the religious catechism by something else, even a scientific one.
Sigmund Freud