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

We are all time travelers in the river of DNA.

"We live in a world where the past is always present, and the future is always uncertain."

最好的水果來自最好的實踐；絕不能在標準上妥協。

數學不是觀賞性運動，你必須參與其中才能理解。