人工智能的发展需要开放合作，而不是闭门造车。

The degree of slowness is directly proportional to the intensity of memory; the degree of speed is directly proportional to the intensity of forgetting.

凡是做学问，必须从各个方面都理解透彻，还要更进一步深入理解内在的道理。

风俗习惯是人类生活的重要指南。