Causal inference is not just about statistical significance; it's about understanding the mechanisms behind the numbers.

"A child who reads will never be bored."

人一般而言，天生的能力对他影响不大 – 他如何造就自己决定他的人生。

唯一真正的财富是灵魂的财富。

We are all ghosts of ourselves, haunting the places we once lived.