科学是一种强有力的工具,怎样用它,究竟是给人类带来幸福还是灾绝派差难,全取决于自己,而不取决于工羡饥具,刀子在人类
生活上是有用并皮的,但它也能杀人。Science is a powerful instrument.How it is used,whether it is a blessing or a curse to mankind,depends on mankind and not on the instrument.A knife is useful,but it can also kill.