"The stream of thought flows toward survival."

In the vastness of the cosmos, we are but a speck, yet our curiosity knows no bounds.

相关系数的可能误差不是一个固定的量，而是取决于样本的大小。

The only real failure in life is not to be true to the best one knows.

市场失灵的程度并不是政府干预的充分条件。

思想掠过我的心上，如一群野鸭飞过天空。我听见它们鼓翼之声了。