Remember, hope is a good thing, maybe the best of things. And no good thing ever dies.

研究古DNA就是与逝者对话。

有时候，生活中最难的事情是知道该跨过哪座桥，该烧掉哪座桥。

"光线不在于你有多少光，而在于你如何使用它。"

We must be vigilant and resolutely fight against all enemies, both internal and external.

"The past is a foreign country; they do things differently there."

The true measure of success is how we impact the communities around us.