勿以恶小而为之,"don t do what is good and small,”可是妈妈却轻轻的说:“傻孩子, "knowledge is the nourishment of human beings.我对这个问题疑惑不解, "i don t know. what book do you read?" but the mother gently said: "silly child,我为啥要读书,today,懂得知识将来成为一个对社会有用的人,今天我提心吊胆地问妈妈,我本以为妈妈会说:这个都不知道,