不努力的天赋一文不值。
随机实验是因果推理的黄金标准,但它们并不总是可行的。
Rebuilding my career at fifty wasn’t easy—but nothing worthwhile ever is.
丙型肝炎的发现不仅仅是我个人的工作;它是数十年集体努力的结果。
Do not think it worthwhile to produce belief by concealing evidence, for the evidence is sure to come to light.