释义:只有经过艰苦的努力和考验,才能发现或创造出价值重大的事物。
                    剧院是一面反映人类状况的镜子。
                    未来属于那些敢于挑战科学和商业现状的人。
                    Innovation is not about being the first; it's about being the best.
                    The future of drones is intelligent, collaborative, and autonomous.
                    悲伤就是知识
                    Scientific curiosity must be matched with commercial discipline to bring treatments to those who need them.