Monsters are real, and ghosts are real too. They live inside us, and sometimes, they win.
The truth is often uncomfortable, but it is necessary.
正确陈述的反面是错误陈述。但一个深刻真理的反面很可能是另一个深刻真理。
经济学家必须贪婪地收集事实;但事实本身并不能说明什么。