The most precious thing is life. Life for each person only once. Therefore,people‘s life should be spent this way: when a person look back at the past, not because of wasted years and remorse, not because of mediocrity and shame; in this way, can say when he died, the whole of my life and energy to the life of the most valuable career - the struggle for human liberation. We must lose no time inlife, because even a sudden illness or accident may terminate the life.
人最宝贵的东西是生命.生命对人来说只有一次.因此,人的一生应当这样度过:当一个人回首往事时,不因虚度年华而悔恨,也不因碌碌无为而羞愧;这样,在他临死的时候,能够说,我把整个生命和全部精力都献给了人生最宝贵的事业——为人类的解放而奋斗。我们必须抓紧时间生活，因为即使是一场暴病或意外都可能终止生命。
--《钢铁是怎样炼成的》
原文：http://www.cnblogs.com/lwcccyingziji/p/4113872.html