最深刻的发现往往来自最简单的观察。
The most profound discoveries often come from the simplest observations.
My good opinion once lost is lost forever.
A mathematician is a device for turning coffee into theorems.
自由民主的未来取决于其自我改革的能力，以及解决那些感到被全球化和技术变革抛下的人的合理不满。
The only valid data for psychology are the reports of trained observers.
If you don't design your own life plan, chances are you'll fall into someone else's plan. And guess what they have planned for you? Not much.