大学生坐满了教室等着上课。老师来了,把一个玻璃罐放到讲座上,大家都很奇怪。“今天,我想和你们谈一谈生活,你们怎么看这个罐子呢?”“嗨,罐子是空的,”有人说。“完全正确,”老师肯定地说,然后从讲桌底下拿出一袋石子,将它们倒进罐子里直到装满为止。“现在你们怎么看这个罐子呢?” Students fill the classroom waiting for class. The teacher came, put a glass jar on the lecture, we are all very strange. “Today, I want to talk to you about life, how do you see this jar? ” “Hey, the jar is empty, ” Someone said. “Absolutely correct,” the teacher said affirmatively, then took out a bag of stones from under the desk and poured them into the jar until it was full. “How do you see this jar now? ”