We are all time capsules carrying fragments of the past.
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。
Curiosity is the engine that drives us towards understanding the cosmos.
自然界运行的规律就是,发展到尽头则走向反面,发展到极盛则走向衰落。