Authors:

The most remarkable change in the moral history of mankind has been the rise - and occasionally the application - of the view that all people, and not just one's own kind, are entitled to fair treatment.

James Q. Wilson (1997). “The Moral Sense”, p.281, Simon and Schuster
The most remarkable change in the moral history of mankind has been the rise - and occasionally the application - of the view that all people, and not just one's own kind, are entitled to fair treatment.