生活是个婊子,死亡是她的姐妹。
The best mathematics is that which you do not understand at first glance.
积极心理学不仅仅是微笑;它是关于什么使生活值得过的科学研究。
A Jewish man with parents alive is a fifteen-year-old boy, and will remain a fifteen-year-old boy until they die!