"The greatest tragedy is not the brutality of the bad people, but the silence of the good people."

"The power of words can shape destinies."

"The ultimate test of a machine learning algorithm is its ability to perform well on new, unseen data."

唯一的限制是你自己设定的。

The best way to learn mathematics is to do mathematics.

教学应始终适应学生的发展阶段。