Bhagavad- gita 15.5 Purport
...One comes here for some time, and then goes away, living here only briefly; but still he has the foolish notion that he is lord of the world. He thus makes all things complicated, and he is always in trouble. The whole world moves under this impression. People are considering that the land, this earth, belongs to the human society; and they have divided the land, by their mental concoction, under the false impression that they are the proprietors. One has to get out of this false notion that human society is the proprietor of this world. When one is freed from such a false notion, he becomes free from all false associations. False association means our family, social, and national affections. This faulty association binds us to this material world. After this stage, one has to develop spiritual knowledge. One has to cultivate knowledge of what is actually his own, and what is actually not his own. And when one has understanding of things as they are, he becomes free from all conceptions of happiness and distress...