[EngSub] The Signficance of Social Progresses -- Thay Thich Chan Quang.aviFrom many thousands of years until nowadays, human being have made so many countless progresses. By comparsion, we are sitting in this comfortable sanctum, with bright lights, electric fans, and this microphone to record my words. But in old days, people sat under the shade of trees, on ground, on a rock bed and so on. ...Now we can delve social progresses on the Buddhist viewpoint to find advantages anhd dissadvantages towards human beings.