著名英文演讲,科学方面的我要找一份著名英文演讲,比赛用尽量和科学有关而且一定要是著名,请写明演讲者,越有名越好!霍金的好

Dear students :I am very glad to see you in front of me -- the choice of a scientific career,the energetic young team.I will be back again to sing a paean of praise in the application of scientific achievements we have made great praise you bring about greater progress.In fact,we are in the era of applied science and applied science in this country.If I speak now is untimely,it is a mistake!Health and the Indians as economic underdevelopment was that primitive life unpleasant,but I do not feel that.In fact,the children are so open-minded countries like playing "Indians" games,which have profound implications.We also make a great application of science to reduce labor,and make life happy and comfortable.But it brings us happiness,why so little?The answer is simple :because we are still not at a reasonable applications of science.In wartime,science and hurt one another,we might poisoning; During peacetime,it makes our life a hurry and instability.It labor from large physical exertion freed us,but it makes people become slaves of machines people -- most of the time spent on a long monotonous offensive work,and will continue to worry about their miserable rations.You may think that I am singing this old man is not to your liking,but I say this is a good purpose -- to point out the importance and future of science.To make your work can bless mankind,and only know how to apply science itself is enough!Concern for the fate of mankind itself will always strive to cultivate interest in learning the technology.On the unresolved issue of the distribution of material goods and the origin of the concern -- to the establishment of our ideology,it will not bring happiness to the whole human catastrophe.In your diagrams and equations which must not forget this point.
科学的颂歌