概率论归根结底不过是常识的微积分。
The theory of probabilities is at bottom nothing but common sense reduced to calculus.
Every story has a beginning, a middle, and an end, but not necessarily in that order.
Collaboration across disciplines is essential to solving the world's energy challenges.
"The only real failure in life is not to be true to the best one knows."
没有牺牲，就没有自由。