同行很少聚在一起，即使是为了娱乐，谈话最终都会以反对公众的阴谋或提高价格的某种策划而结束。
People of the same trade seldom meet together， even for merriment and diversion， but the conversation ends in a conspiracy against the public， or in some contrivance to raise prices.
The study of mental processes requires both experimental and comparative methods.
世界上没有什么比笑声和好心情更具感染力了。
"The unexamined life is not worth living."