子曰：“志于道、据于德、依于仁、游于艺。”
【译文】 孔子说：“树立崇高理想、培养高尚品德、心怀仁慈友爱、陶冶高雅情操。”
The definition of a good mathematical problem is the mathematics it generates rather than the problem itself.
Reason obeys itself; and ignorance submits to whatever is dictated to it.
The novel is a mirror walking along a main road.
市场需要的是解决方案，而不仅仅是产品。
In the internet industry, the only constant is change itself.