就算你要杀人，礼貌也伤不着你。
When you have to kill a man it costs nothing to be polite.
The mind is the organ of adaptation par excellence.
The greatest crimes are committed not in the name of evil, but in the name of good.
解释：好像白色的丝一样，放到蓝色的染缸中，就成为青色；放到红色的染缸中，就成为赤色。
"I don't believe in happy endings, I believe in truthful endings."