learning: a lifelong career

第一段引出学习的意义 ①As food is to the body, so is learning to the mind ②Our bodies grow and muscles develop with the intake of food ③Likewise, we should keep learning day by day to maintain our mental power and expand our intellectual capacity 第二段学习的好处 ①Constant learning supplies us with fuel for driving us to sharpen our power of reasoning, analysis, and judgment ②Continuous learning is the best way to keep pace with times in the information age 第三段不学习的危害 ①It is a common misunderstanding to regard school as the only place for the acquisition of knowledge ②On the contrary, learning should be an endless process from the cradle to the grave ③With the world change so fast， to stop learning for just a few days will make a person lag behind ④Lack of learning will inevitably lead to the stagnation of the mind, or even worse, its fossilization 第四段结尾 ①Therefore, to stay mentally young, we have to take learning as a lifelong career