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。
也许我们能期望的最好结果，就是带着正确的遗憾结束。
一个父亲能为孩子做的最重要的事就是爱他们的母亲。
The medium is the metaphor.
The speech we hear is an indication of that which we don't hear. It is a necessary avoidance, a violent, sly, anguished or mocking smokescreen which keeps the other in its place.
