因果推理需要仔细思考分析背后的假设。
"Causal inference requires careful thought about the assumptions underlying your analysis."
La poesía es la única prueba concreta de la existencia del hombre.
People from nature, often more believe and fear not seen something strange, secret.
The only way to do great work is to love what you do. If you haven't found it yet, keep looking. Don't settle.
成功不是关于金钱或权力，而是关于产生影响。
The dead are not powerless. Dead, did I say? There is no death, only a change of worlds.