导读：我们每个人都疯狂地寻找快乐，大多数人却不明白，让别人快乐，你也就能得到快乐。
　　Once a group of 50 people were attending a meeting.
　　Suddenly the speaker stopped and started giving each person a balloon. Each one was asked to write his/her name on it using a marker pen. Then all the balloons were collected and put in another room.
　　Now these people were let in that room and asked to find the balloons which had their names written， within 5 minutes.
　　Everyone was crazily searching for his/her name， pushing， knocking into each other， and there was extreme chaos.
　　At the end of 5 minutes， no one could find his/her own balloon.
　　Now each one was asked to randomly collect a balloon and give it to the person whose name was written on it. Within minutes everyone had his/her own balloon.
　　The speaker began： This is exactly happening in our lives. Everyone is crazily looking for happiness all around， not knowing where it is. Our happiness lies in the happiness of other people. Give them their happiness and you will get your own happiness. And this is the purpose of human life.
　　Vocabulary
　　chaos n. 混乱
　　randomly adv. 随便地
　　（Now have you got how to make yourself happy？）