"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.
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。