It is unreasonable to expect science to produce a system of ethics-ethics are a kind of highway code for traffic among mankind-and the fact that in physics atoms which were yesterday assumed to be square are now assumed to be round is exploited with unjustified tendentiousness by all who are hungry for faith; so long as physics extends our dominion over nature, these changes ought to be a matter of complete indifference to you.
Sigmund FreudThe creative writer does the same as the child at play; he creates a world of fantasy which he takes very seriously.
Sigmund FreudIntolerance of groups is often, strangely enough, exhibited more strongly against small differences than against fundamental ones.
Sigmund Freud