在观察性研究中,我们常常不得不依赖于无法直接检验的假设。
最大的风险是不冒任何风险。在一个快速变化的世界里,唯一注定失败的策略就是不冒险。
The act of writing is an act of discovery.
It's sort of sad when you think of a kid like that going through life without a sense of humor...