美即是真,真即是美——这就是你们在世上所知道、也该知道的一切。
Beauty is truth, truth beauty,—that is all ye know on earth, and all ye need to know.
每部电影都是一次旅程,你永远不知道它会带你去哪里。
The concept of probably approximately correct (PAC) learning has been foundational in computational learning theory.