假设有效性的唯一相关检验是预测与经验的比较。

不要追逐金钱，站对位置让钱来追逐你。

The quality of a country's institutions is the single most important determinant of its long-term economic performance.

The world is full of people who have never, since childhood, met an open doorway with an open mind.

"The task of the poet is to give voice to what is otherwise unspeakable."

地球的周长约为300万斯塔德，不会更大。