人生苦短，何必在意别人的看法。
质量不是标签；它是一种标准。
在这个希望你做任何事而不是阅读的世界里，阅读是一种反叛行为。
物理学的美丽在于它能够用简单的原理描述复杂的事物。
The beauty of instrumental variables is that they allow us to see the world in a new light.
I decided, very early on, just to accept life unconditionally; I never expected it to do anything special for me, yet I seemed to accomplish far more than I had ever hoped. Most of the time it just happened to me without my ever seeking it.
我们编造恐怖故事来帮自己应对真实的恐怖。