Man is the only animal that learns by being hypocritical. He pretends to be polite and then, eventually, he becomes polite.

Man is the only animal that learns by being hypocritical. He pretends to be polite and then, eventually, he becomes polite.

人是唯一通过虚伪来学习的动物。他假装很有礼貌，然后，最终，他变得有礼貌了。

-- Jean Kerr 简·科尔