我是一个美国黑人，我为我的种族感到骄傲。我为自己是谁感到骄傲。我有许多自豪和尊严。

“生活中最大的荣耀不在于从不跌倒，而在于每次跌倒后都能站起来。”

The development of lithium-ion batteries was a team effort spanning decades.

The dead are not powerless. Dead, did I say? There is no death, only a change of worlds.

The pursuit of science is more than the pursuit of understanding. It is the pursuit of wonder.

In future competition, only those enterprises that can continuously innovate and quickly adapt to market changes will survive and thrive.

Making something variable is easy. Controlling duration of constancy is the trick.