写作是让不可见的东西变得可见。
"In the midst of winter, I found there was, within me, an invincible summer."
真正的进步既要衡量经济增长,也要衡量生态系统的健康。
永远要走“正道”,它并不拥挤。
The key to solving complex problems is often to find the right abstraction that simplifies the problem without losing its essential features.