Progress.

A comment I saw:

"Gay haters should all be torched alive, to death. Gay people don't kill, cause harm nor wreck havoc like how some psycho straights do."

Previously quoted:

"Usually, terrible things that are done with the excuse that progress requires them are not really progress at all, but just terrible things." - Russell Baker

"Education is a method whereby one acquires a higher grade of prejudices." - Laurence J. Peter