Sexual morality - as society in its extreme form, the American, defines it - is contemptible. I advocate an incomparably freer sexual life.
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