translation.en: And this shows that engineers, medical people, scientific people, have an obsession with solving the problems of reality, when actually most problems, once you reach a basic level of wealth in society, most problems are actually problems of perception.
translation.zh: 刚才的例子说明，工程师、 医生和科学家， 都执迷于解决现实问题， 而实际上，当人们在社会中达到了一定的财富水平， 大多数问题其实是感知上的问题。