工具变量的美妙之处在于它们让我们以新的视角看世界。
The beauty of instrumental variables is that they allow us to see the world in a new light.
企业的成功不是靠速度，而是靠质量。
面对失败时的坚持将成功的科学家与其他人区分开来。
I don't think you can ever really understand a character until you've walked in their shoes.
The stopwatch in the laboratory measures the vibration frequency of the human soul.
Confidence is the most beautiful thing you can possess.