Ciel wins the P4's trust, but he still can't find a chance to get close to the Head Master. And so he brings up the subject of Derrick Arden with the P4 and their drudges. When he does, the expressions on the prefects' faces change...
Bluewer was right: one ought 
to memorize the school rules.
كان بلوار على حقّ: على المرء
أن يحفظ قواعد المدرسة
Bluewer hatte recht.
Bluewer tenía mucha razón.
Bluer estaba en lo cierto:
hay que memorizar las normas.
Bluer avait raison.
Il est utile de connaître le règlement.
Come dice Bluer,
O Bluewer tinha razão: é preciso
decorar as regras do colégio.
Блювер верно подметил:
правила лучше знать наизусть.