在DNA的长河中，我们都是时间旅行者。
We are all time travelers in the river of DNA.
过去总是与我们同在，因为它滋养着现在。
The stranger is close to us, insofar as we feel between him and ourselves common features of a national, social, occupational, or generally human, nature. He is far from us, insofar as these common features extend beyond him or us, and connect us only because they connect a great many people.
I don't believe in luck. I believe in preparation meeting opportunity.
一个好的工程师是能把挫折转化为灵感的人。