陌生人与我们接近,因为我们在他们和我们自己之间感受到民族、社会、职业或一般人类本性的共同特征。他们远离我们,因为这些共同特征超越了他们或我们,并且只因为它们连接了许多人而连接我们。
(Physics is) a good framework for thinking....Boil things down to their fundamental truths and reason up from there.
"In observational studies, we often have to rely on assumptions that are not directly testable."