The essence of finance is to serve the real economy. Finance detached from the real economy is like water without a source or a tree without roots.

学校必须是一个让孩子学会将眼前欲望服从于更大社会利益要求的地方。

The true joy of mathematics lies in the act of discovery, not just the result.

Man is always something more than what he knows about himself. He is not what he is simply once and for all, but is a process.

计算效率的概念是学习算法设计的核心。