Anyone can become angry--that is easy. But to be angry with the right person, to the right degree, at the right time, for the right purpose, and in the right way; this is not easy. - Aristotle
任何人都会发怒—这很容易。但是,若要发怒的对象、发怒的程度、发怒的时间、发怒的目的以及发怒的方式都恰到好处,那就不容易了。 -亚里斯多德 384-322B.C.,希腊哲学家