The worst prison is not the one with walls and bars, but the one in our minds.
最糟糕的监狱不是有墙和栏杆的监狱,而是我们思想中的监狱。
The most important skill for an empirical researcher is not math, but judgment.
在我看来,广告中最大的成就是可信度,没有什么比产品本身更可信的了。
Man can only be free through mastery of himself.