"A key insight in computational learning theory is that the complexity of a learning problem is determined by the complexity of the hypothesis space and the amount of data available."

数学研究的过程和结果本身一样重要。

The greatest fear is not of death but of life.

Entrepreneurship is an adventure, and only those who dare to take risks can reap success.

引自孟德斯鸠，刘凯湘在《民法总论》中引用并阐释其意义

低头不是认输,是要看清自己的路。仰头不是骄傲,是看见自己的天空。

Owning stocks is like having children – don't get involved with more than you can handle.