Normally, we have energy to work, wisdom to solve the problem and money to pay some we need but some not. In contrast, have you ever thought about an old age? We cannot live without senilty. Whenever we get older, we get less energy to work, along with less thinking and died. When that time comes we cannot bring the money, properties and jewelries with you in the next life. Only one thing that you can bring is a merit done by you when you are alive. The merit can make sure that you will be in a good place and be a good person in your next life. Additionally, when you died, the people who know you will talk and think about your good things and also miss you.