牙齿痛的人，想世界上有一种人最快乐，那就是牙齿不痛的人。

Tooth aches, want to have a man in the world the most happy, is the person who's teeth pain.

youdao

我还以为这世界上有一种人不会有妒忌心的，因为他太骄傲了。

But there are some people who're just too proud to be jealous.

youdao

世界上有两种人——不断重复着做同一件事情，却希望获得不同的结果，还有一种是那些知道如何达到他们渴望的秘密的人。

There are two types of people in the world... those who do the same thing over and over expecting different results, and those who know the secret to create their desires.

youdao

But I also take it that Tolstoy means to be putting forward more than just a claim that there could be such a person.

但我也认为托尔斯泰是认为真有其人,而不只是声称世界上有这样一种人。

耶鲁公开课 - 死亡课程节选