Is the surest indicator of a great nation the achievements of its rulers, artists, or scientists? No country could deny its desire to be a great one. But what kind of quality should a great nation have? Unfortunately, before a clear definition was made, it is difficult to say whether the achievements of its rulers, artists or scientists could be the indicator. Therefore, I would like to regard a great nation as a powerful one which has the ability to exert influence on the global scale. In terms of this, both these achievements and the welfare of all its people cannot be ignore, which in fact are relative in a degree. By insisting that the welfare of all its people could be the surest indicator of a great nation, this statement is kind of cogent for almost all great country--from ancient time to present--could ensure the welfare of all residents. At the same time, if people living in a nation are happy enough, they would be more likely to have a sense of belongingness and be more willing to help with the construction of their country. For instant, during Tang Dynasty, China could be a great country for it not only developed well but also exert a great influence on its neighboring country such as Japanese and Korean. The residents, who just recovered for the last dynasty--Sui Dynasty, began to live in new lives. According to the record of history, it is one of the greatest time for people to live at. However, the welfare of people is not the only thing that shows the power of a country. During Tang Dynasty, a group of rulers, artists, as well as scientists emerged, leading to the developments of politics, economy and culture. Walking in a Silk Road, merchants were proud of china, silk and some plants. Reading a book at room, printing paved the way for culture development. Wandering beside a brook, bookmen were writing their poems. In fact, a great nation, if its people could live in a comfortable atmosphere, is likely to develop its arts, science, and economy, which in turns, indicates the achievements of rulers. No one could turn a blind eye to their connections and that is why both of which could be pivotal indicator of a great nation. To sum up, both the reason and the claim based on it is compelling. However, by stressing "the surest", one seems to incise their relationship, and therefore, run a risk of ignoring any one of it. To be a great nation, more effort should be made by rulers, and more important, by all people in this country.