Humanity is in the highest degree irrational, so that there is no prospect of influencing it by reasonable arguments. Against prejudice one can do nothing.
Sigmund FreudNeither in my private life nor in my writings, have I ever made a secret of being an out-and-out unbeliever.
Sigmund FreudYou can always make a lot of people love one another so long as there are a smaller number outside the group for them to kick.
Sigmund Freud