On the other hand, The old man told us the meaning of happiness. Such as if you can lend a helping hand when your friends and colleagues meet the difficulties ,you will reap the long-lasting sincere friendship. But they realized that the feelings are the most important when they are old. The people who try his best to create happiness for human being will get the return from all he has done. It is clear that the value of happiness can’t be weighed by money.