丙型肝炎的挑战不仅在于找到病毒，还在于理解它是如何逃避免疫系统的。
The challenge with hepatitis C was not just to find the virus, but to understand how it evades the immune system.
最成功的现代国家是那些能够将强大的国家与法治和民主问责制结合起来的国家。
【译文】 季路问怎样侍奉鬼神，孔子说：“人都不能侍奉好，还谈什么侍奉鬼神？“请问死是怎么回事？“生都不了解，还谈什么了解死？”
Humans are allergic to change. They love to say, 'We've always done it this way.' I try to fight that. That's why I have a clock on my wall that runs counter-clockwise.
建筑是一种挑战，是对自我的挑战。
音乐是通用的语言。