我从不带着会输的想法上场。
"Causal inference requires careful thought about the assumptions underlying your analysis."
Well may the boldest fear and the wisest tremble when they contemplate the condition of our country.
当他们思考我们国家的状况时，最勇敢的人可能会害怕，最聪明的人可能会颤抖。
Simplicity is prerequisite for reliability.