知识的进步是一步一步的，不是靠一步登天。
活的语言必须与知识的进步和观念的增进同步并进。
A living language must keep pace with improvements in knowledge and with the multiplication of ideas.
这是一个活着的事物，它在不断变化，总是试图追随人类知识的进步。
It is a living thing. There are constant changes, always attempting to be relevant to the development of human knowledge.
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