Everyone has their own story, and every story deserves to be heard.
每个人都有自己的故事,每个故事都值得被倾听。
The concept of probably approximately correct (PAC) learning has been foundational in computational learning theory.
世路风霜艰险,是我们锤炼思想的环境;世情冷暖,是我们克制性情的时机;世事是非颠倒,是我们修身实践的凭借。
〈在广东第一女子师范学校校庆纪念会的演说〉,1924年4月4日