Eliezer Yudkowsky. Harry Potter and the methods of rationality (№ 415264)

There is no reason to be angry. Absolutely all parents are the same, adults never condescend to the level of a child, and his biological parents would not be an exception. Common sense is like a spark in the night, an extremely rare exception, an infinitesimal quantity in the overwhelming mass of madness, so it is pointless to be angry.