著名科学家史蒂芬·葛莱恩讲过他小时候发生的一个故事。有一次，我趁妈妈不在身边，想自己尝试着从冰箱里拿一瓶牛奶。可是瓶子太大太滑了，我抓不住。瓶子掉到地上，摔得粉碎，牛奶溅得满地都是。妈妈闻声从厨房里赶来，面对眼前的一片狼藉，她的脸色非常平静，没有一点生气 Famous scientist Stephen Greene talked about a story that happened when he was young. Once, I was not around my mother, want to try to get a bottle of milk from the refrigerator. But the bottle is too slippery, I can not catch. Bottle fell to the ground, smashed, milk splashes everywhere. Mother heard the kitchen came, in front of a mess, her face was very calm, not a little angry