参考翻译
　　Is there a standard to evaluate the significance of one's life?It's certainly difficult to offer a definite standard.But generally speaking,we can tell it by judging his attitude towards life and work,making clear whether he is serious about his life.
　　Throughout the history,the outstanding people were all very serious about their lives.They made best use of every minute of their lives to work and study as much as possible,never wasting their time.None of the working people and the great statesmen and their thinkers were of exception.