商场如战场，防人之心不可无。  

从噪声数据中学习的能力是鲁棒机器学习系统的一个关键方面。

"The past is a shadow that follows us, but it is also the light that guides us forward."

Mathematics is the queen of the sciences.

君子的学问，从来不会脱离实践去空谈认识，这是必然的。

学习是避免陷入人生困境的唯一途径。

The power of a story lies not in its length, but in its depth and the universality of its themes.

 我从未遇到过一小时阅读不能解除的痛苦。