i write it long time ago Some people may hold the opinion that the most important prodlem will be solved in the future, but others have a negative attitude. As far as I am concerned, all questions will get an answer after some years. Because Rome is not build in a day. People is still too young and still have a long way to go. Firstly, if we just looked at what we cannot solve, we didn’t know what we already changed. Many years ago, people only can get food from hunting and even cannot use fire. At that time ,people didn’t know what they were able to change. But everyone knows that, we did it. We build a flourishing society . We invent many things to use, such as car plane telephone and so on. Before we invent those we also think it is impossible. So, looked at this achievements you can understand the human’s power. Secondly, we never know what we can do unless we made it. I have a good friend, his name is Jay chou. Now , he is a very famous singer in China even in the world. But before he star to try it, nobody knew him. When he was young he wanted to be a singer, but he didn’t think that he will success. But on the contrary, he made it. So you cannot understand what you can do if you donot try it. Last but not least, we have many outstanding talent. Such as 爱因斯坦，牛顿，袁隆平《people's name》，they all promote our society. Now, we have increase school in the world, which give us the best edcuation. Through this knowladge, our world become better and better. Undoubtedly, this progress will not stop. To summarize, ireinforce my stand point that every problem will be solve in a few years late. Because people still have creativity and people are so young that we can develop. But the most important reason is that people never give up.