知识就是力量500字作文

If we have no knowledge， we cannot succeed in doing any work。 Why? Because knowledge is power。 With knowledge we have conquered nature and invented steamers， trains and airplanes。 We can send messages by telegram。 We can talk with our friends by telephone。
　　As is well known， we students are the future masters of the nation。 She (It) needs us very much。 If we do not make efforts to acquire knowledge， how can we render service to her (it)?
　　如果我们没有知识，我们就不能做成功任何事情。为什么？因为知识就是力量。冯藉知识我们征服了大自然，并且发明了轮船，火车与飞机。我们能用电报传递消息。我们能用电话和朋友谈话。
　　如众所周知，我们学生都是国家未来的主人翁。她十分需要我们。如果我们不努力去获得知识，将来如何来报效她呢？