>When disagreeing, please reply to the argument instead of calling names. "That is idiotic; 1 + 1 is 2, not 3" can be shortened to "1 + 1 is 2, not 3."

>Please don't use Hacker News for political or ideological battle. That tramples curiosity.

>Please don't pick the most provocative thing in an article or post to complain about in the thread. Find something interesting to respond to instead.

etc.