挑战是伪装的机会;它们推动我们创新和改进。
The fundamental point in fabricating a chain reacting machine is of course to see to it that each fission produces a certain number of neutrons and some of these neutrons will again produce fission.
创新不仅仅是技术的问题,它关乎改变人们的思维和行动方式。
Anyone who keeps the ability to see beauty never grows old.