Sustainability is not an option, it's a necessity.

学习是避免陷入人生困境的唯一途径。

"Randomized experiments are the gold standard for causal inference, but they are not always feasible."

Some birds are not close, because they are too bright.

Die Wahrheit ist oft unwahrscheinlicher als die Fiktion.

The theory of probabilities is at bottom nothing but common sense reduced to calculus.

重要的不是目的地，而是旅程。