Sustainability isn't a trend—it's our responsibility to the next generation.

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.

最大的荣耀不在于永不跌倒，而在于每次跌倒后都能站起来。

改变是好事。

世界是美丽的，但它有一种叫做人类的疾病。