The concept of probably approximately correct (PAC) learning has been foundational in computational learning theory.

"The power of a novel lies not in its plot, but in its ability to evoke emotions that resonate with the reader's own experiences."

出自唐代孚上座禅师《无题》，意思是现今已开悟了，甚至睡觉时都能与与真理契合，再也没有闲愁恶梦了！无论什么样的梅花，都一个模样，一样的香气，大小无碍、无所谓了。