Self-righteous people can talk themselves into forgetting they are part of a civilization. They can then feed on that culture, bringing it down. It's happened many times in the past. It could happen to us.
-- David Brin
   
David Brin   Name:
David Brin
Type:
Author
Nationality:
American
Birth:
October 6, 1950
https://www.nutquote.com/quote/David_Brin