鲁迅有句名言：吃进去的是草，挤出来的是奶。草在今腹之中实现了一次能量的转换。读书是不是也需要这种能量转换呢？回答无疑是肯定的。纵观人类之发展史，也正是依赖这种能量转换的过程，人类才有了不断飞跃。所以，博览群书，拥有知识虽然很重要，但知识有如草，草是不能相 Lu Xun famous saying: eat into the grass, squeezed out of milk. Grass in the abdomen to achieve a conversion of energy. Does reading also need this kind of energy conversion? The answer is undoubtedly affirmative. Throughout the history of human development, it is also dependent on this process of energy conversion, human beings have been leaps and bounds. Therefore, reading books, possessing knowledge, although important, but knowledge like grass, grass can not be