《文昌孝经·孝感章》
可知道，地狱首先重责忤逆之罪。阎罗王本来是慈悲的，只是人自己主动犯罪，从而导致不孝，触犯冥界律法。
仰知冥狱，首重子逆，开罪本慈，人自罪犯，多致不孝，自罹冥法。
Know this, that hell primarily punishes the crime of disobedience. The King of Hell is originally compassionate, but people act of their own accord to commit crimes, thus resulting in unfiliality, offending the laws of the netherworld.