Studies on humor and what makes people laugh have been traced from Plato, Aristotle and Cicero, through Hume and Kant to the recent Bergson and Freud.

• 人类对幽默及一切能引人发笑的东西的研究远可追溯到柏拉图，亚里士多德，西塞罗和荷马，近有康德，柏格森和弗洛伊德。