On two subjects the overwhelming majority of people regarded their own opinions as Absolute Truth, and sincerely believed that anyone who disagreed with them was immoral, outrageous, sinful, sacrilegious, offensive, intolerable, stupid, illogical, treasonable, actionable, against the public interest, ridiculous, and obscene. The two subjects were (of course) sex and religion.
Robert A. HeinleinThe two highest achievements of the human mind are the twin concepts of "loyalty" and "duty". Whenever these twin concepts fall into disrepute, get out of there fast! You may possibly save yourself, but it is too late to save that society. It is doomed.
Robert A. Heinlein