美丽的眼睛能发现他人身上的美德，美丽的嘴唇只会说出善言，美丽的姿态能与知识并行，这样就永不孤单。

The beauty of mathematics is that it is one of the few areas of human endeavor where absolute truth can be known.

Investors should avoid chasing past performance.

机器学习的最终目标是让机器能够从经验中学习，并随着时间的推移提高其性能。