出自汉·桓宽《盐铁论·复古》。岩雀并不知道天的高远，废井中的青蛙也不会知道江海的博大。这句话是形容心胸狭窄之人见识短浅。
Every hour, she thinks, someone forges the rings, someone carves the cradle, someone loses the war.
向小伙伴们表达感恩，珍视大家的付出，团队能实现超越资源现状的伟大成就。
The role of the artist is to ask questions, not to provide answers.
The key to artificial intelligence is the representation of knowledge.