I don't think you can ever do your best. Doing your best is a process of trying to do your best.

译文：年年岁岁繁花依旧，岁岁年年看花之人却不相同。赏析：时光流逝，物是人非。花有重开时，人无再少年。

"The task of the novelist is to awaken the reader's sympathy, to make the reader care."

人工智能的未来在于人类智能与机器智能的融合。

给学生一些事情去做，而不是一些东西去学；而这些事情的性质需要思考；学习会自然而然地发生。