In my own opinion, I believe that people are never satisfied with what they have and they always want something more or something different is true. I have several reasons that lead me to agree with the statement above. First of all, people are not contented with what they have because people are the most desired animals in this planet and they constantly try to discover, create and use something new. For typical example, Apple and Samsung are two powerful technological organizations in the world. They are not always satisfied with their products. Therefore, they make a lot of update for their phones. In one year, Samsung sells a lot of new phones with new functions that is really beneficial to customers such as water assistance, smartwatch, hence, they are on the continuous fight which is hard to define who the winner is. The lust to be a King of mobile phones' producer makes them unsatisfied with what they've done so far and they always run for the technological revolution. In addition, people want to try something different since they are boring of experiencing the same simple thing that they have to encounter every single day. For specific instance, almost people just need three meals each day according to scientific theory. But in fact, they eat some more sub-meals and snacks, which are literally unhealthy for their bodies. Or even though some people have enough clothes for work and going out, they are still going shopping, and bring homes newly trendy ones regularly. It obviously makes them feel happy for trying something new instead of wearing the same outfits week to week. More importantly, many people love money, which is the root for all unbelievable things happen. People do not feel good enough with the salary they have and it is thereby a point make people want to do something to get more even bad things. For example, Hank in "A Simple Plan," written by Scott Smith, is an appropriate example for a person who is not pleasa